TeamcityTestRunner is now new-style class (it's possible that user defined old-style suite runner in settings instead of DjangoTestSuiteRunner)

fixed PY-8821 can't run unit tests with pycharm 2.7

python/helpers/pycharm/django_test_runner.py

@@ -35,6 +35,7 @@ try:
       BaseSuiteRunner.__init__(self)
 
 except ImportError:
+  # for Django <= 1.1 compatibility
   class BaseRunner(TeamcityTestRunner):
     def __init__(self, stream=sys.stdout, **options):
       TeamcityTestRunner.__init__(self, stream)

python/helpers/pycharm/tcunittest.py

@@ -184,7 +184,7 @@ class TeamcityTestResult(TestResult):
     # do not use text.decode('string_escape'), it leads to problems with different string encodings given
     return text.replace("\\n", "\n")
 
-class TeamcityTestRunner:
+class TeamcityTestRunner(object):
   def __init__(self, stream=sys.stdout):
     self.stream = stream