Add Text=str. Make ItemsView derive from AbstractSet, not Set (which is the concrete set).
diff --git a/Lib/typing.py b/Lib/typing.py
index de2a462..6ead3c4 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -65,6 +65,7 @@
'no_type_check',
'no_type_check_decorator',
'overload',
+ 'Text',
]
# The pseudo-submodules 're' and 'io' are part of the public
@@ -1519,7 +1520,7 @@
class ItemsView(MappingView[Tuple[KT, VT_co]],
- Set[Tuple[KT, VT_co]],
+ AbstractSet[Tuple[KT, VT_co]],
Generic[KT, VT_co],
extra=collections_abc.ItemsView):
pass
@@ -1592,6 +1593,10 @@
return cls
+# Python-version-specific alias (Python 2: unicode; Python 3: str)
+Text = str
+
+
class IO(Generic[AnyStr]):
"""Generic base class for TextIO and BinaryIO.