change strtobool to ignore the to bool conversion

when the input value is a bool

Author: luzfcb

decouple.py

@@ -31,6 +31,8 @@
 FALSE_VALUES = {"n", "no", "f", "false", "off", "0"}
 
 def strtobool(value):
+    if isinstance(value, bool):
+        return value
     value = value.lower()
 
     if value in TRUE_VALUES: