bpo-46470: remove unused branch from typing._remove_dups_flatten (G…

…H-30780) The branch was a remnant of old 3.6 typing.Union implementation.
python · Jan 24, 2022 · c144d93 · c144d93
1 parent d7c6863
commit c144d93
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Showing 2 changed files with 1 addition and 2 deletions.
diff --git a/Lib/typing.py b/Lib/typing.py
@@ -280,8 +280,6 @@ def _remove_dups_flatten(parameters):
  for p in parameters:
  if isinstance(p, (_UnionGenericAlias, types.UnionType)):
  params.extend(p.__args__)
- elif isinstance(p, tuple) and len(p) > 0 and p[0] is Union:
- params.extend(p[1:])
  else:
  params.append(p)
 

diff --git a/Misc/NEWS.d/next/Library/2022-01-22-13-17-35.bpo-46470.MnNhgU.rst b/Misc/NEWS.d/next/Library/2022-01-22-13-17-35.bpo-46470.MnNhgU.rst
@@ -0,0 +1 @@
+Remove unused branch from ``typing._remove_dups_flatten``