Correcting missing :

Author: altendky

testing/test_basic.py

@@ -52,7 +52,7 @@ def cmd_opts(request):
     return ("--reactor={}".format(reactor),)
 
 
-def test_async_yield_is_inlineCallbacks()
+def test_async_yield_is_inlineCallbacks():
     assert pytest_twisted.async_yield is pytest_twisted.inlineCallbacks