Don't pip install ccm in editable mode. Because of the "movable" cassandra-test tag, pip needs to re-install ccm each time.
patch by Mick Semb Wever; reviewed by David Capwell, Berenguer Blasi, Ekaterina Dimitrova for CASSANDRA-16688
diff --git a/requirements.txt b/requirements.txt
index cf618d5..9754239 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@
# git tag -a -f cassandra-test
# git push origin :refs/tags/cassandra-test
# git push -f origin refs/tags/cassandra-test
--e git+https://github.com/riptano/ccm.git@cassandra-test#egg=ccm
+git+https://github.com/riptano/ccm.git@cassandra-test#egg=ccm
decorator
docopt
enum34
