TYP: clean for PY3.8 (TypedDict) (#42607)

Author: simonjayhawkins

pandas/_typing.py

@@ -37,8 +37,6 @@
 # and use a string literal forward reference to it in subsequent types
 # https://mypy.readthedocs.io/en/latest/common_issues.html#import-cycles
 if TYPE_CHECKING:
-    from typing import TypedDict
-
     import numpy.typing as npt
 
     from pandas._libs import (
@@ -73,8 +71,6 @@
     from pandas.tseries.offsets import DateOffset
 else:
     npt: Any = None
-    # typing.TypedDict does not exist until py38
-    TypedDict = dict
 
 
 # array-like

pandas/io/formats/style_render.py

@@ -12,6 +12,7 @@
     Optional,
     Sequence,
     Tuple,
+    TypedDict,
     Union,
 )
 from uuid import uuid4
@@ -21,7 +22,6 @@
 from pandas._config import get_option
 
 from pandas._libs import lib
-from pandas._typing import TypedDict
 from pandas.compat._optional import import_optional_dependency
 
 from pandas.core.dtypes.generic import ABCSeries