Merge pull request #27 from linuxluigi/pyup-update-mypy-0.750-to-0.760

Update mypy to 0.760

requirements/local.txt

@@ -8,7 +8,7 @@ psycopg2==2.8.3 --no-binary psycopg2  # https://github.com/psycopg/psycopg2
 
 # Testing
 # ------------------------------------------------------------------------------
-mypy==0.750  # https://github.com/python/mypy
+mypy==0.760  # https://github.com/python/mypy
 pytest==5.3.1  # https://github.com/pytest-dev/pytest
 pytest-sugar==0.9.2  # https://github.com/Frozenball/pytest-sugar
 requests-mock==1.7.0  # https://github.com/jamielennox/requests-mock