Merge pull request #1872 from ccnmtl/dependabot/pip/importlib-metadata-3.4.0

Bump importlib-metadata from 3.3.0 to 3.4.0

Author: sdreher

requirements.txt

@@ -16,7 +16,7 @@ pycodestyle==2.6.0
 pytz==2020.5
 configparser==5.0.1
 entrypoints==0.3  # for flake8
-importlib-metadata==3.3.0  # for flake8
+importlib-metadata==3.4.0  # for flake8
 typing_extensions==3.7.4.3
 zipp==3.4.0  # for flake8
 flake8==3.8.4