tie down pip version for the conflict checker

mr-c · mr-c · commit d21934dadd86 · 2018-04-16T11:20:42.000+03:00
diff --git a/tox.ini b/tox.ini
@@ -48,7 +48,9 @@ deps =
 [testenv:py27-pipconflictchecker]
 commands = pipconflictchecker
 whitelist_externals = pipconflictchecker
-deps = pip-conflict-checker
+deps =
+  pip-conflict-checker
+  pip==9.0.3
 
 [testenv:py27-lint-readme]
 commands = python setup.py check -r -s
