Fixed assertResponse() signature

tests/TestDrops.py

@@ -5,7 +5,7 @@ from util import BaseTest
 
 
 class TestDrops(BaseTest):
-    def assertResponse(self, expectedCode, message=None):  # pylint: disable=invalid-name
+    def assertResponse(self, expected_code, message=None):  # pylint: disable=invalid-name
         if isinstance(message, str):
             message = message.encode('ASCII')
         while message:
@@ -13,7 +13,7 @@ class TestDrops(BaseTest):
             self.client.send(message[0:sliceLen])
             message = message[sliceLen:]
             time.sleep(random.uniform(0.01, 0.1))
-        super(TestDrops, self).assertResponse(expectedCode)
+        super(TestDrops, self).assertResponse(expected_code)
 
     def test_silly_window_syndrome(self):
         self.assertResponse(250, 'HELO marschke.me\r\n')