These patches address issue:
CVE-2019-9948: Unnecessary URL scheme exists to allow local_file://
reading file in urllib

Link to Python issue:
https://bugs.python.org/issue35907

Issue 35907 is still currently open, waiting for a decision for
Python 3.5; these patches for Python 2.7 and 3.7 have been merged.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>