set defaults for Literal[False], Literal[True], and None (#1455)

Author: MarcoGorelli

pandas-stubs/_config/config.pyi

@@ -15,7 +15,7 @@ def reset_option(pat: str) -> None: ...
 @overload
 def describe_option(pat: str, _print_desc: Literal[False]) -> str: ...
 @overload
-def describe_option(pat: str, _print_desc: Literal[True] = ...) -> None: ...
+def describe_option(pat: str, _print_desc: Literal[True] = True) -> None: ...
 
 class DictWrapper:
     def __init__(self, d: dict[str, Any], prefix: str = ...) -> None: ...

pandas-stubs/_testing/__init__.pyi

@@ -121,7 +121,7 @@ def assert_series_equal(
     obj: str = ...,
     *,
     check_index: Literal[False],
-    check_like: Literal[False] = ...,
+    check_like: Literal[False] = False,
 ) -> None: ...
 @overload
 def assert_series_equal(
@@ -141,7 +141,7 @@ def assert_series_equal(
     atol: float = ...,
     obj: str = ...,
     *,
-    check_index: Literal[True] = ...,
+    check_index: Literal[True] = True,
     check_like: bool = ...,
 ) -> None: ...
 def assert_frame_equal(

pandas-stubs/core/base.pyi

@@ -127,7 +127,7 @@ class IndexOpsMixin(OpsMixin, Generic[S1, GenericT_co]):
     @overload
     def value_counts(
         self,
-        normalize: Literal[False] = ...,
+        normalize: Literal[False] = False,
         sort: bool = ...,
         ascending: bool = ...,
         bins: int | None = ...,