Reduce heartbeat interval.

.gitignore

@@ -2,3 +2,4 @@
 __pycache__
 .tox
 tuyadebug/
+.pre-commit-config.yaml

custom_components/localtuya/common.py

@@ -150,10 +150,10 @@ class TuyaDevice(pytuya.TuyaListener, pytuya.ContextualLogger):
     async def close(self):
         """Close connection and stop re-connect loop."""
         self._is_closing = True
-        if self._connect_task:
+        if self._connect_task is not None:
             self._connect_task.cancel()
             await self._connect_task
-        if self._interface:
+        if self._interface is not None:
             await self._interface.close()
 
     async def set_dp(self, state, dp_index):

custom_components/localtuya/pytuya/__init__.py

@@ -74,7 +74,7 @@ MESSAGE_END_FMT = ">2I"  # 2*uint32: crc, suffix
 PREFIX_VALUE = 0x000055AA
 SUFFIX_VALUE = 0x0000AA55
 
-HEARTBEAT_INTERVAL = 20
+HEARTBEAT_INTERVAL = 10
 
 # This is intended to match requests.json payload at
 # https://github.com/codetheweb/tuyapi :