fix error with timeouts

Author: Tony Crisci

i3ipc/connection.py

@@ -484,12 +484,12 @@ def main(self, timeout: float = 0.0):
         """
         loop_exception = None
         self._quitting = False
+        timer = None
+
         while True:
             try:
                 self._event_socket_setup()
 
-                timer = None
-
                 if timeout:
                     timer = Timer(timeout, self.main_quit)
                     timer.start()