Merge pull request #151 from pypa/pyup-update-typing-3.6.2-to-3.6.4

Update typing to 3.6.4

Author: njsmith

docker/build_scripts/py36-requirements.txt

@@ -10,7 +10,7 @@ auditwheel==1.8.0 \
 pyelftools==0.24 \
     --hash=sha256:e9dd97d685a5b96b88a988dabadb88e5a539b64cd7d7927fac9a7368dc4c459c
 # this package required for auditwheel
-typing==3.6.2 \
-    --hash=sha256:349b1f9c109c84b53ac79ac1d822eaa68fc91d63b321bd9392df15098f746f53 \
-    --hash=sha256:63a8255fe7c6269916baa440eb9b6a67139b0b97a01af632e7bd2842e1e02f15 \
-    --hash=sha256:d514bd84b284dd3e844f0305ac07511f097e325171f6cc4a20878d11ad771849
+typing==3.6.4 \
+    --hash=sha256:b2c689d54e1144bbcfd191b0832980a21c2dbcf7b5ff7a66248a60c90e951eb8 \
+    --hash=sha256:3a887b021a77b292e151afb75323dea88a7bc1b3dfa92176cff8e44c8b68bddf \
+    --hash=sha256:d400a9344254803a2368533e4533a4200d21eb7b6b729c173bc38201a74db3f2