Merge branch 'master' into pyup-update-twine-1.14.0-to-3.1.1

Author: ivlevdenis

requirements_dev.txt

@@ -1,12 +1,11 @@
-pip==19.2.3
-bump2version==0.5.11
-wheel==0.33.6
-watchdog==0.9.0
-flake8==3.7.8
-tox==3.14.0
-coverage==4.5.4
-Sphinx==1.8.5
+pip==20.0.2
+bump2version==1.0.0
+wheel==0.34.2
+watchdog==0.10.2
+flake8==3.7.9
+tox==3.14.5
+coverage==5.0.3
+Sphinx==2.4.2
 twine==3.1.1
-
-pytest==4.6.5
-pytest-runner==5.1
+pytest==5.3.5
+pytest-runner==5.2