[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

pandas/core/groupby/groupby.py

@@ -4325,7 +4325,7 @@ def nth(self) -> GroupByNthSelector:
     def _nth(
         self,
         n: PositionalIndexer | tuple,
-        dropna: Literal["any", "all", None] = None,
+        dropna: Literal["any", "all"] | None = None,
     ) -> NDFrameT:
         if not dropna:
             mask = self._make_mask_from_positional_indexer(n)

pandas/core/groupby/indexing.py

@@ -296,7 +296,7 @@ def __init__(self, groupby_object: groupby.GroupBy) -> None:
     def __call__(
         self,
         n: PositionalIndexer | tuple,
-        dropna: Literal["any", "all", None] = None,
+        dropna: Literal["any", "all"] | None = None,
     ) -> DataFrame | Series:
         return self.groupby_object._nth(n, dropna)
 

pandas/io/html.py

@@ -220,7 +220,7 @@ def __init__(
         attrs: dict[str, str] | None,
         encoding: str,
         displayed_only: bool,
-        extract_links: Literal[None, "header", "footer", "body", "all"],
+        extract_links: Literal["header", "footer", "body", "all"] | None,
         storage_options: StorageOptions = None,
     ) -> None:
         self.io = io
@@ -1042,7 +1042,7 @@ def read_html(
     na_values: Iterable[object] | None = None,
     keep_default_na: bool = True,
     displayed_only: bool = True,
-    extract_links: Literal[None, "header", "footer", "body", "all"] = None,
+    extract_links: Literal["header", "footer", "body", "all"] | None = None,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
     storage_options: StorageOptions = None,
 ) -> list[DataFrame]: