Slight improvement to hide twisted tests from people who don't have it.

tests/__init__.py

@@ -60,7 +60,10 @@ def requires_twisted(func):
     """ Decorator that skips a test if Twisted is not present."""
     def requirement(_f):
         from eventlet.api import get_hub
-        return 'Twisted' in type(get_hub()).__name__
+        try:
+            return 'Twisted' in type(get_hub()).__name__
+        except Exception:
+            return False
     return skip_unless_requirement(requirement)(func)
 
 

tests/test__twistedutil_protocol.py

@@ -93,6 +93,7 @@ class TestCase(unittest.TestCase):
     def connector(self):
         return pr.GreenClientCreator(reactor, self.gtransportClass, self.transportBufferSize)
     
+    @requires_twisted
     def setUp(self):
         port = self.setup_server()
         self.conn = self.connector.connectTCP('127.0.0.1', port)