Merge pull request #5 from xamfy/dependabot/pip/twisted-19.7.0

Bump twisted from 19.2.1 to 19.7.0

Author: xamfy

requirements.txt

@@ -25,6 +25,6 @@ pycodestyle==2.5.0
 PyHamcrest==1.9.0
 pytz==2018.9
 six==1.12.0
-Twisted==19.2.1
+Twisted==19.7.0
 txaio==18.8.1
 zope.interface==4.6.0