Merge branch 'master' into pyup-update-coverage-5.1-to-5.2

Author: andrivet

requirements-dev.txt

@@ -7,9 +7,9 @@ docutils==0.16
 check-manifest==0.42
 readme-renderer==26.0
 pygments==2.6.1
-sphinx==3.1.1
+sphinx==3.1.2
 sphinx_rtd_theme==0.5.0
 coverage==5.2
-twine==3.1.1
+twine==3.2.0
 wheel==0.34.2
 advbumpversion==1.2.0