Make sure to init the Exception baseclass

Author: linuxdaemon

cloudbot/util/func_utils.py

@@ -3,11 +3,10 @@
 
 class ParameterError(Exception):
     def __init__(self, name, valid_args):
-        self.name = name
-        self.valid_args = list(valid_args)
+        self.__init__(name, list(valid_args))
 
     def __str__(self):
-        return "'{}' is not a valid parameter, valid parameters are: {}".format(self.name, self.valid_args)
+        return "'{}' is not a valid parameter, valid parameters are: {}".format(self.args[0], self.args[1])
 
 
 def call_with_args(func, arg_data):