flake8 fixes

Author: duttonw

src/behaving/mail/mock.py

@@ -32,7 +32,7 @@ def getUniqueFilename(recipient_dir, ext="tmp"):
 
 class DebuggingServer(smtpd.DebuggingServer):
     def __init__(self, localaddr, remoteaddr, log_to_stdout=True):
-        global output_dir
+        global output_dir  # noqa: F824
         self.path = output_dir
         self.log_to_stdout = log_to_stdout
         smtpd.DebuggingServer.__init__(self, localaddr, remoteaddr)

src/behaving/notifications/gcm/mock.py

@@ -35,7 +35,7 @@ def do_POST(self):
             self.send_error(400, "No recipients")
             return
 
-        global output_dir
+        global output_dir  # noqa: F824
         for recipient in recipients:
             recipient = str(recipient)
             recipient_dir = os.path.join(output_dir, recipient)

src/behaving/sms/mock.py

@@ -47,7 +47,7 @@ def do_POST(self):
         self.send_header("Content-type:", "text/json")
         self.end_headers()
         self.wfile.write(b'{"messages":[{"status":"0"}]}')
-        global output_dir
+        global output_dir  # noqa: F824
         phone_dir = os.path.join(output_dir, to)
         if not os.path.exists(phone_dir):
             try: