diff --git a/i3pystatus/core/exceptions.py b/i3pystatus/core/exceptions.py
index 4d5256b..21eac5e 100644
--- a/i3pystatus/core/exceptions.py
+++ b/i3pystatus/core/exceptions.py
@@ -6,19 +6,22 @@ class ConfigError(Exception):
 
         super().__init__(message)
 
+
 class ConfigKeyError(ConfigError, KeyError):
     def format(self, key):
         return "invalid option '{0}'".format(key)
 
+
 class ConfigMissingError(ConfigError):
     def format(self, missing):
         return "missing required options: {0}".format(missing)
-        super().__init__(module)
+
 
 class ConfigAmbigiousClassesError(ConfigError):
     def format(self, ambigious_classes):
         return "ambigious module specification, found multiple classes: {0}".format(ambigious_classes)
 
+
 class ConfigInvalidModuleError(ConfigError):
     def format(self):
         return "no class found"