From b438ccc3bce6d4311b584db7bd762a2ef6ae2a11 Mon Sep 17 00:00:00 2001
From: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Date: Sun, 16 Aug 2020 05:15:51 -0700
Subject: [PATCH] PathLike: change to Protocol (#4447)

Co-authored-by: hauntsaninja <>
---
 stdlib/2/__builtin__.pyi  | 5 +++--
 stdlib/2and3/builtins.pyi | 5 +++--
 stdlib/3/os/__init__.pyi  | 2 +-
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 650a19fa8..ae98b2b0e 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -1207,8 +1207,9 @@ if sys.version_info >= (3, 6):
     # This class is to be exported as PathLike from os,
     # but we define it here as _PathLike to avoid import cycle issues.
     # See https://github.com/python/typeshed/pull/991#issuecomment-288160993
-    class _PathLike(Generic[AnyStr]):
-        def __fspath__(self) -> AnyStr: ...
+    _AnyStr_co = TypeVar("_AnyStr_co", str, bytes, covariant=True)
+    class _PathLike(Protocol[_AnyStr_co]):
+        def __fspath__(self) -> _AnyStr_co: ...
     def compile(
         source: Union[str, bytes, mod, AST],
         filename: Union[str, bytes, _PathLike[Any]],
diff --git a/stdlib/2and3/builtins.pyi b/stdlib/2and3/builtins.pyi
index 650a19fa8..ae98b2b0e 100644
--- a/stdlib/2and3/builtins.pyi
+++ b/stdlib/2and3/builtins.pyi
@@ -1207,8 +1207,9 @@ if sys.version_info >= (3, 6):
     # This class is to be exported as PathLike from os,
     # but we define it here as _PathLike to avoid import cycle issues.
     # See https://github.com/python/typeshed/pull/991#issuecomment-288160993
-    class _PathLike(Generic[AnyStr]):
-        def __fspath__(self) -> AnyStr: ...
+    _AnyStr_co = TypeVar("_AnyStr_co", str, bytes, covariant=True)
+    class _PathLike(Protocol[_AnyStr_co]):
+        def __fspath__(self) -> _AnyStr_co: ...
     def compile(
         source: Union[str, bytes, mod, AST],
         filename: Union[str, bytes, _PathLike[Any]],
diff --git a/stdlib/3/os/__init__.pyi b/stdlib/3/os/__init__.pyi
index e895f21c1..96dc6e572 100644
--- a/stdlib/3/os/__init__.pyi
+++ b/stdlib/3/os/__init__.pyi
@@ -265,7 +265,7 @@ if sys.version_info >= (3, 6):
 _FdOrAnyPath = Union[int, AnyPath]
 
 if sys.version_info >= (3, 6):
-    class DirEntry(PathLike[AnyStr]):
+    class DirEntry(Generic[AnyStr]):
         # This is what the scandir interator yields
         # The constructor is hidden