Bump pytest-cov from 2.6.0 to 2.7.1 (#595)

dependabot-preview[bot] · web-flow · commit 1e3dbcbabf38 · 2019-09-20T19:15:46.000Z
diff --git a/requirements.txt b/requirements.txt
@@ -5,7 +5,7 @@ flake8==3.5.0
 sphinx==2.2.0
 tox==3.5.2
 pytest==3.9.1
-pytest-cov==2.6.0
+pytest-cov==2.7.1
 pytest-sugar==0.9.2
 pytest-timeout==1.3.2
 sphinxcontrib-asyncio==0.2.0
