fix pylint

Author: vladak

adafruit_minimqtt/adafruit_minimqtt.py

@@ -809,11 +809,10 @@ def subscribe(self, topic, qos=0):
                             self.on_subscribe(self, self._user_data, t, q)
                         self._subscribed_topics.append(t)
                     return
-                else:
-                    raise MMQTTException(
-                        f"invalid message received as response to "
-                        f"SUBSCRIBE: {hex(op)}"
-                    )
+
+                raise MMQTTException(
+                    f"invalid message received as response to " f"SUBSCRIBE: {hex(op)}"
+                )
 
     def unsubscribe(self, topic):
         """Unsubscribes from a MQTT topic.
@@ -868,11 +867,11 @@ def unsubscribe(self, topic):
                             self.on_unsubscribe(self, self._user_data, t, self._pid)
                         self._subscribed_topics.remove(t)
                     return
-                else:
-                    raise MMQTTException(
-                        f"invalid message received as response to "
-                        f"UNSUBSCRIBE: {hex(op)}"
-                    )
+
+                raise MMQTTException(
+                    f"invalid message received as response to "
+                    f"UNSUBSCRIBE: {hex(op)}"
+                )
 
     def _recompute_reconnect_backoff(self):
         """