Fix hex string length in UndefinedModbusError.

AdvancedClimateSystems · Mar 10, 2021 · c3212d6 · c3212d6
1 parent 0e156f6
commit c3212d6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/umodbus/exceptions.py b/umodbus/exceptions.py
@@ -10,7 +10,7 @@ def __init__(self, error_code):
         self.error_code = error_code
 
     def __str__(self):
-        return 'Non-standard Modbus error code %#02x received.' % self.error_code
+        return 'Non-standard Modbus error code %#04x received.' % self.error_code
 
 
 class IllegalFunctionError(ModbusError):