pep 484: explicit reexport as intended (#4586)

See discussion on typing-sig.
This doesn't take care of some third_party libraries, will follow up on
those.

Co-authored-by: hauntsaninja <>

stdlib/2/md5.pyi

@@ -1,6 +1,7 @@
 # Stubs for Python 2.7 md5 stdlib module
 
-from hashlib import md5 as md5, md5 as new
+from hashlib import md5 as md5
 
+new = md5
 blocksize: int
 digest_size: int