Fix ModbusIOException not iterable error

Author: WillCodeForCats

custom_components/solaredge_modbus_multi/hub.py

@@ -1703,28 +1703,20 @@ async def read_modbus_data(self) -> None:
                 )
                 self._grid_status = True
 
-            except (ModbusIllegalAddress, ModbusIOException) as e:
-
-                if (
-                    type(e) is ModbusIOException
-                    and "No response recieved after" not in e
-                ):
-                    raise
-
-                try:
-                    del self.decoded_model["I_Grid_Status"]
-                except KeyError:
-                    pass
-
+            except ModbusIllegalAddress:
                 self._grid_status = False
-
-                _LOGGER.debug(
-                    (f"I{self.inverter_unit_id}: Grid On/Off NOT available: {e}")
-                )
+                _LOGGER.debug((f"I{self.inverter_unit_id}: Grid On/Off NOT available"))
 
                 if not self.hub.is_connected:
                     await self.hub.connect()
 
+            except ModbusIOException as e:
+                _LOGGER.debug(
+                    f"I{self.inverter_unit_id}: A modbus I/O exception occurred "
+                    "while reading data for Grid On/Off Status. This entity "
+                    f"will be unavailable: {e}"
+                )
+
             except ModbusIOError:
                 raise ModbusReadError(
                     f"No response from inverter ID {self.inverter_unit_id}"