Make FrameType.f_back optional (#3740)

This commit is contained in:
Thomas Schaper
2020-02-16 19:40:10 +01:00
committed by GitHub
parent b98eaf47cc
commit 91deb7a79f

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@@ -248,7 +248,7 @@ class TracebackType:
def tb_lineno(self) -> int: ...
class FrameType:
f_back: FrameType
f_back: Optional[FrameType]
f_builtins: Dict[str, Any]
f_code: CodeType
f_globals: Dict[str, Any]