move cmd.py types to another branch, mark typing import as unused

Author: Yobmod

git/cmd.py

@@ -19,7 +19,6 @@
 import threading
 from collections import OrderedDict
 from textwrap import dedent
-from typing import Any, Callable, Optional, Type
 
 from git.compat import (
     defenc,
@@ -58,7 +57,7 @@
 ## @{
 
 def handle_process_output(process, stdout_handler, stderr_handler,
-                          finalizer=None, decode_streams: bool=True) -> Optional[Any]:
+                          finalizer=None, decode_streams=True):
     """Registers for notifications to learn that process output is ready to read, and dispatches lines to
     the respective line handlers.
     This function returns once the finalizer returns
@@ -114,11 +113,9 @@ def pump_stream(cmdline, name, stream, is_decode, handler):
 
     if finalizer:
         return finalizer(process)
-    else:
-        return None
 
 
-def dashify(string: str) -> str:
+def dashify(string):
     return string.replace('_', '-')
 
 
@@ -307,11 +304,11 @@ def refresh(cls, path=None):
         return has_git
 
     @classmethod
-    def is_cygwin(cls) -> bool:
+    def is_cygwin(cls):
         return is_cygwin_git(cls.GIT_PYTHON_GIT_EXECUTABLE)
 
     @classmethod
-    def polish_url(cls, url, is_cygwin: Optional[bool]=None):
+    def polish_url(cls, url, is_cygwin=None):
         if is_cygwin is None:
             is_cygwin = cls.is_cygwin()
 

git/types.py

@@ -1,6 +1,6 @@
-import os
-from typing import Optional, Union, Any
+import os  # @UnusedImport  ## not really unused, is in type string
+from typing import Union, Any
 
 
 TBD = Any
-PathLike = Union[str, os.PathLike[str]]
+PathLike = Union[str, 'os.PathLike[str]']