Bump importlib-metadata from 0.13 to 0.17 (#5926)
Bump importlib-metadata from 0.13 to 0.17 (#5926)

Bumps [importlib-metadata](http://importlib-metadata.readthedocs.io/) from 0.13 to 0.17.
pypa/warehouse,pypa/warehouse,pypa/warehouse,pypa/warehouse