Move typing_extensions to stdlib (#5233)

I'm not sure what the best way to do this is. This effectively orphans
types-typing-extensions, but maybe that's not really a problem. (We can
yank the package too)

See https://github.com/python/typeshed/pull/5229#issuecomment-822234125
for some details

Co-authored-by: hauntsaninja <>

stdlib/VERSIONS

@@ -233,6 +233,7 @@ tty: 2.7
 turtle: 2.7
 types: 3.6
 typing: 3.6
+typing_extensions: 2.7
 unicodedata: 2.7
 unittest: 3.6
 urllib: 3.6

stubs/Deprecated/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/Jinja2/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-MarkupSafe", "types-typing-extensions"]
+requires = ["types-MarkupSafe"]

stubs/Markdown/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/Werkzeug/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/aiofiles/METADATA.toml

@@ -1,2 +1,2 @@
 version = "0.1"
-requires = ["types-typing-extensions"]
+requires = []

stubs/chardet/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/click-spinner/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/nmap/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/pathlib2/METADATA.toml

@@ -1,4 +1,4 @@
 version = "0.1"
 python2 = true
 python3 = false
-requires = ["types-typing-extensions"]
+requires = []

stubs/protobuf/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-futures", "types-typing-extensions"]
+requires = ["types-futures"]

stubs/pysftp/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.2"
 python2 = true
-requires = ["types-typing-extensions", "types-paramiko"]
+requires = ["types-paramiko"]

stubs/python-dateutil/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/redis/METADATA.toml

@@ -1,3 +1,3 @@
 version = "0.1"
 python2 = true
-requires = ["types-typing-extensions"]
+requires = []

stubs/typing-extensions/METADATA.toml

@@ -1,2 +0,0 @@
-version = "3.7"
-python2 = true

stubs/waitress/METADATA.toml

@@ -1,2 +1,2 @@
 version = "0.1"
-requires = ["types-typing-extensions"]
+requires = []

tests/stubtest_whitelists/py3_common.txt

@@ -307,6 +307,7 @@ collections.abc.*  # Types are re-exported from _collections_abc, so errors shou
 tempfile._TemporaryFileWrapper.[\w_]+
 # Various classes in typing aren't types at runtime. In addition, mypy thinks some special forms are tautologically defined.
 typing.[A-Z]\w+
+typing_extensions\..*
 # We can't distinguish not having a default value from having a default value of inspect.Parameter.empty
 inspect.Parameter.__init__
 inspect.Signature.__init__