un-expose fake ellipsis type

[DetachHead]

fixes #3556

[github-actions]

Diff from mypy_primer, showing the effect of this PR on open source code:

mypy_primer (https://github.com/hauntsaninja/mypy_primer.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/_ast.pyi:16: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

isort (https://github.com/pycqa/isort.git)
- Warning: unused section(s) in pyproject.toml: module = ['tests.*']
- isort/_future/__init__.py:9: error: unused "type: ignore" comment
- isort/_future/__init__.py:10: error: unused "type: ignore" comment
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/posix.pyi:146: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"
- isort/place.py:17: error: Returning Any from function declared to return "str"
- isort/deprecated/finders.py:22: error: unused "type: ignore" comment
- isort/deprecated/finders.py:28: error: unused "type: ignore" comment
- isort/deprecated/finders.py:34: error: unused "type: ignore" comment
- isort/output.py:504: error: unused "type: ignore" comment
- isort/output.py:516: error: unused "type: ignore" comment
- isort/output.py:523: error: unused "type: ignore" comment
- isort/setuptools_commands.py:7: error: unused "type: ignore" comment
- isort/pylama_isort.py:6: error: unused "type: ignore" comment

twine (https://github.com/pypa/twine.git)
- Warning: unused section(s) in mypy.ini: [mypy-tests.*]
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/importlib/machinery.pyi:14: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
- twine/cli.py:33: error: unused "type: ignore" comment
- twine/package.py:117: error: unused "type: ignore" comment
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

attrs (https://github.com/python-attrs/attrs.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/subprocess.pyi:47: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

sphinx (https://github.com/sphinx-doc/sphinx.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/_ast.pyi:16: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
- sphinx/pycode/ast.py:54: error: unused "type: ignore" comment
- sphinx/pycode/ast.py: note: In function "unparse":
- sphinx/pycode/ast.py:66:1: error: Overloaded function signatures 1 and 2 overlap with incompatible return types
- sphinx/pycode/ast.py: note: At top level:
- sphinx/pycode/ast.py:115: error: unused "type: ignore" comment
- sphinx/pycode/ast.py:126: error: unused "type: ignore" comment
- sphinx/pycode/ast.py:129: error: unused "type: ignore" comment
- sphinx/pycode/ast.py:163: error: unused "type: ignore" comment
- sphinx/pycode/ast.py:168: error: unused "type: ignore" comment
- sphinx/pycode/ast.py:204: error: unused "type: ignore" comment
- sphinx/pycode/ast.py:207: error: unused "type: ignore" comment
- sphinx/util/logging.py: note: In member "log" of class "SphinxLoggerAdapter":
- sphinx/util/logging.py:121:5: error: Signature of "log" incompatible with supertype "LoggerAdapter"
- sphinx/util/typing.py:228: error: unused "type: ignore" comment
- sphinx/util/typing.py:428: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:37: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:56: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:57: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:62: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:69: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:71: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:75: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:77: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:359: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:361: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:364: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:399: error: unused "type: ignore" comment
- sphinx/pycode/parser.py:459: error: unused "type: ignore" comment
- sphinx/util/inspect.py: note: In function "unwrap_all":
- sphinx/util/inspect.py:138:19: error: Item "FunctionType" of "Union[FunctionType, FunctionType, MethodType, BuiltinFunctionType, BuiltinFunctionType]" has no attribute "__wrapped__"
- sphinx/util/inspect.py:138:19: error: Item "MethodType" of "Union[FunctionType, FunctionType, MethodType, BuiltinFunctionType, BuiltinFunctionType]" has no attribute "__wrapped__"
- sphinx/util/inspect.py:138:19: error: Item "BuiltinFunctionType" of "Union[FunctionType, FunctionType, MethodType, BuiltinFunctionType, BuiltinFunctionType]" has no attribute "__wrapped__"
- sphinx/util/inspect.py: note: In function "is_singledispatch_function":
- sphinx/util/inspect.py:359:13: error: "FunctionType" has no attribute "dispatch"
- sphinx/util/inspect.py: note: At top level:
- sphinx/util/inspect.py:424: error: unused "type: ignore" comment
- sphinx/util/inspect.py:427: error: unused "type: ignore" comment
- sphinx/util/inspect.py:430: error: unused "type: ignore" comment
- sphinx/util/inspect.py:686: error: unused "type: ignore" comment
- sphinx/util/inspect.py:793: error: unused "type: ignore" comment
- sphinx/util/inspect.py:804: error: unused "type: ignore" comment
- sphinx/util/inspect.py:814: error: unused "type: ignore" comment
- sphinx/util/inspect.py: note: In function "signature_from_ast":
- sphinx/util/inspect.py:818:27: error: Incompatible types in assignment (expression has type "DefaultValue", variable has type "Type[_empty]")
- sphinx/util/inspect.py:828:23: error: Incompatible types in assignment (expression has type "DefaultValue", variable has type "Type[_empty]")
- sphinx/util/docutils.py:52: error: unused "type: ignore" comment
- sphinx/util/docutils.py:53: error: unused "type: ignore" comment
- sphinx/util/docutils.py:67: error: unused "type: ignore" comment
- sphinx/util/docutils.py:81: error: unused "type: ignore" comment
- sphinx/util/docutils.py:95: error: unused "type: ignore" comment
- sphinx/util/docutils.py:110: error: unused "type: ignore" comment
- sphinx/environment/__init__.py:624: error: unused "type: ignore" comment
- sphinx/ext/autodoc/__init__.py: note: In member "parse_name" of class "Documenter":
- sphinx/ext/autodoc/__init__.py:408:23: error: Need type annotation for "parents"
- sphinx/domains/python.py:124: error: unused "type: ignore" comment
- sphinx/domains/python.py:1452: error: unused "type: ignore" comment
- sphinx/writers/manpage.py:110: error: unused "type: ignore" comment
- sphinx/util/requests.py:28: error: unused "type: ignore" comment
- sphinx/util/requests.py:35: error: unused "type: ignore" comment
- sphinx/util/requests.py:38: error: unused "type: ignore" comment
- sphinx/util/requests.py: note: In function "is_ssl_error":
- sphinx/util/requests.py:54:16: error: Need type annotation for "args"
- sphinx/testing/util.py:126: error: unused "type: ignore" comment
- sphinx/testing/util.py:127: error: unused "type: ignore" comment
- sphinx/ext/coverage.py: note: In member "build_py_coverage" of class "CoverageBuilder":
- sphinx/ext/coverage.py:218:51: error: Item "object" of "Union[object, object]" has no attribute "__doc__"
- sphinx/ext/napoleon/docstring.py: note: In member "_lookup_annotation" of class "GoogleDocstring":
- sphinx/ext/napoleon/docstring.py:864:31: error: Need type annotation for "localns"
- sphinx/ext/autodoc/type_comment.py:46: error: unused "type: ignore" comment
- sphinx/ext/autodoc/type_comment.py:75: error: unused "type: ignore" comment
- sphinx/ext/autodoc/type_comment.py:77: error: unused "type: ignore" comment
- sphinx/ext/autodoc/type_comment.py:99: error: unused "type: ignore" comment
- sphinx/ext/autodoc/type_comment.py:102: error: unused "type: ignore" comment
- sphinx/ext/autodoc/type_comment.py:106: error: unused "type: ignore" comment
- sphinx/ext/autodoc/preserve_defaults.py:45: error: unused "type: ignore" comment
- sphinx/ext/autodoc/preserve_defaults.py:48: error: unused "type: ignore" comment
- sphinx/ext/autodoc/preserve_defaults.py:92: error: unused "type: ignore" comment
- sphinx/ext/autodoc/preserve_defaults.py:98: error: unused "type: ignore" comment
- sphinx/ext/viewcode.py: note: In function "env_purge_doc":
- sphinx/ext/viewcode.py:161:15: error: Need type annotation for "modules"
- sphinx/util/compat.py:29: error: unused "type: ignore" comment
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

yarl (https://github.com/aio-libs/yarl.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/subprocess.pyi:47: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

freqtrade (https://github.com/freqtrade/freqtrade.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/posix.pyi:146: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
- freqtrade/strategy/informative_decorator.py:56: error: Need type annotation for "informative_pairs"
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

pyjwt (https://github.com/jpadilla/pyjwt.git)
- jwt/utils.py:12: error: unused "type: ignore" comment
- jwt/help.py:10: error: unused "type: ignore" comment
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/subprocess.pyi:47: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

anyio (https://github.com/agronholm/anyio.git)
- src/anyio/_core/_eventloop.py:56: error: unused "type: ignore" comment
- src/anyio/_backends/_asyncio.py:188: error: Argument 1 to "getgeneratorstate" has incompatible type "Union[Generator[Optional[Future[object]], None, Any], Awaitable[Any]]"; expected "Generator[Any, Any, Any]"
- src/anyio/_backends/_asyncio.py:1285: error: unused "type: ignore" comment
- src/anyio/_backends/_asyncio.py:1823: error: Argument 4 to "TaskInfo" has incompatible type "Union[Generator[Optional[Future[object]], None, Any], Awaitable[Any]]"; expected "Coroutine[Any, Any, Any]"
- src/anyio/to_process.py:204: error: Redundant cast to "Loader"
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/posix.pyi:146: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

paroxython (https://github.com/laowantong/paroxython.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/posix.pyi:146: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

jax (https://github.com/google/jax.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/importlib/machinery.pyi:14: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.910
- jax/_src/source_info_util.py:37: error: Variable "jax._src.source_info_util.Traceback" is not valid as a type  [valid-type]
- jax/_src/source_info_util.py:37: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/source_info_util.py:39: error: Variable "jax._src.source_info_util.Traceback" is not valid as a type  [valid-type]
- jax/_src/source_info_util.py:39: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/source_info_util.py:46: error: Variable "jax._src.source_info_util.Frame" is not valid as a type  [valid-type]
- jax/_src/source_info_util.py:46: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/source_info_util.py:58: error: Variable "jax._src.source_info_util.Frame" is not valid as a type  [valid-type]
- jax/_src/source_info_util.py:58: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/source_info_util.py:97: error: Variable "jax._src.source_info_util.Traceback" is not valid as a type  [valid-type]
- jax/_src/source_info_util.py:97: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/core.py:37: error: Name "Traceback" is not defined  [name-defined]
- jax/interpreters/xla.py:37: error: Name "Traceback" is not defined  [name-defined]
- jax/interpreters/xla.py:85: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:85: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:91: error: Variable "jax._src.source_info_util.Frame" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:91: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:149: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:149: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:155: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:155: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:279: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:279: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:286: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:286: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:298: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:298: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:305: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:305: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:314: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:314: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:405: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:405: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:449: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:449: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:541: error: Variable "jax.interpreters.xla.XlaOp" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:541: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:559: error: Variable "jax.interpreters.xla.XlaOp" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:559: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:718: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:718: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:746: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:746: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:750: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:750: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:751: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:751: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:975: error: Variable "jax.interpreters.xla.XlaShape" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:975: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1099: error: Variable "jax.interpreters.xla.XlaExecutable" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1099: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1117: error: Variable "jax.interpreters.xla.XlaExecutable" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1117: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1140: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1140: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1268: error: Variable "jax.interpreters.xla.XlaOp" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1268: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1283: error: Variable "jax.interpreters.xla.XlaOp" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1283: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1421: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1421: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1422: error: Variable "jax.interpreters.xla.Buffer" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1422: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1423: error: Variable "jax.interpreters.xla.Buffer" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1423: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1472: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1472: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1473: error: Variable "jax.interpreters.xla.Buffer" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1473: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1684: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1684: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/xla.py:1712: error: Variable "jax.interpreters.xla.Device" is not valid as a type  [valid-type]
- jax/interpreters/xla.py:1712: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/pxla.py:93: error: Variable "jax.interpreters.pxla.Unstacked" is not valid as a type  [valid-type]
- jax/interpreters/pxla.py:93: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/pxla.py:93: error: Variable "jax.interpreters.pxla.Chunked" is not valid as a type  [valid-type]
- jax/interpreters/pxla.py:93: error: Variable "jax.interpreters.pxla.NoSharding" is not valid as a type  [valid-type]
- jax/interpreters/pxla.py:94: error: Variable "jax.interpreters.pxla.ShardedAxis" is not valid as a type  [valid-type]
- jax/interpreters/pxla.py:94: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/pxla.py:94: error: Variable "jax.interpreters.pxla.Replicated" is not valid as a type  [valid-type]
- jax/_src/api_util.py:89: error: Variable "jax._src.tree_util.PyTreeDef" is not valid as a type  [valid-type]
- jax/_src/api_util.py:89: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/partial_eval.py:37: error: Name "Traceback" is not defined  [name-defined]
- jax/interpreters/partial_eval.py:1454: error: Variable "jax._src.tree_util.PyTreeDef" is not valid as a type  [valid-type]
- jax/interpreters/partial_eval.py:1454: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/interpreters/partial_eval.py:1475: error: Variable "jax._src.tree_util.PyTreeDef" is not valid as a type  [valid-type]
- jax/interpreters/partial_eval.py:1475: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/api.py:370: error: Variable "jax.interpreters.xla.XlaExecutable" is not valid as a type  [valid-type]
- jax/_src/api.py:370: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/api.py:370: note: (Skipping most remaining errors due to unresolved imports or missing stubs; fix these first)
- jax/_src/api.py:493: error: Variable "jax._src.tree_util.PyTreeDef" is not valid as a type  [valid-type]
- jax/_src/api.py:493: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/api.py:494: error: Variable "jax._src.tree_util.PyTreeDef" is not valid as a type  [valid-type]
- jax/_src/api.py:494: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/api.py:524: error: Variable "jax._src.tree_util.PyTreeDef" is not valid as a type  [valid-type]
- jax/_src/api.py:524: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/api.py:525: error: Variable "jax._src.tree_util.PyTreeDef" is not valid as a type  [valid-type]
- jax/_src/api.py:525: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/_src/api.py:1925: error: Variable "jax.interpreters.xla.XlaExecutable" is not valid as a type  [valid-type]
- jax/_src/api.py:1925: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/experimental/gsda.py:34: error: Variable "jax.experimental.gsda.DeviceArray" is not valid as a type  [valid-type]
- jax/experimental/gsda.py:34: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/experimental/gsda.py:92: error: Variable "jax.experimental.gsda.Device" is not valid as a type  [valid-type]
- jax/experimental/gsda.py:92: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
- jax/experimental/gsda.py:96: error: Variable "jax.experimental.gsda.DeviceArray" is not valid as a type  [valid-type]
- jax/experimental/gsda.py:96: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#variables-vs-type-aliases
+ Traceback (most recent call last):
+   File "mypy/checkexpr.py", line 3911, in accept
+   File "mypy/nodes.py", line 1429, in accept
+   File "mypy/checkexpr.py", line 2136, in visit_ellipsis
+   File "mypy/checkexpr.py", line 3936, in named_type
+   File "mypy/checker.py", line 4688, in named_type
+   File "mypy/checker.py", line 4773, in lookup_qualified
+ KeyError: "Could not find builtin symbol 'ellipsis' (If you are running a test case, use a fixture that defines this symbol)"

dulwich (https://github.com/dulwich/dulwich.git)
+ /tmp/mypy_primer/new_type```

[Akuli]

We can't just remove builtins.ellipsis, even though that would be correct, because it breaks mypy.

If someone gets around to fixing this in mypy, it would be good to also do the same for builtins.function, see #5799.