Pin pytest-cov to latest version 2.5.1 (#18)

pyup.io bot · asvetlov · commit 04299d19881b · 2017-08-28T22:55:50.000+03:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,5 +1,5 @@
 pytest==3.2.1
 pytest-aiohttp==0.1.3
-pytest-cov
+pytest-cov==2.5.1
 docutils==0.14
 -e .
