Use is for comparison to None

rule E711

Author: Jakeler

ble_serial/bluetooth/ble_interface.py

@@ -95,7 +95,7 @@ async def send_loop(self):
         assert hasattr(self, '_cb'), 'Callback must be set before receive loop!'
         while True:
             data = await self._send_queue.get()
-            if data == None:
+            if data is None:
                 break # Let future end on shutdown
             if not self.write_enabled:
                 logging.warning(f'Ignoring unexpected write data: {data}')

ble_serial/ports/linux_pty.py

@@ -56,7 +56,7 @@ def queue_write(self, value: bytes):
     async def run_loop(self):
         while True:
             data = await self._send_queue.get()
-            if data == None:
+            if data is None:
                 break # Let future end on shutdown
             logging.debug(f'Write: {data}')
             os.write(self._controller_fd, data)