Update circle.yml

Author: cclauss

circle.yml

@@ -31,10 +31,13 @@ jobs:
             pip install virtualenv
             virtualenv sc2reader
             pwd
+            source sc2reader/bin/activate
+            pwd
             python -V
             pip -V
             pip install hacking
             python -m flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
             python -m flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
             python -m unittest discover test_replays
             python -m unittest discover test_s2gs
+            echo "Done."