don't double build on appveyor (#171)

mr-c · web-flow · commit fcd844854cfb · 2018-04-17T11:16:07.000+03:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -32,3 +32,6 @@ build_script:
 test_script:
   - "%CMD_IN_ENV% python setup.py test"
 
+branches:
+  only:
+    - master
