def check_initializers(initializers, keys):
 if (initializers is None):
  return {}
 keys = set(keys)
 if (not issubclass(type(initializers), dict)):
  raise TypeError("A dict of initializers was expected, but not given. You should double-check that you've nested the initializers for any sub-modules correctly.")
 if (not (set(initializers) <= keys)):
  extra_keys = (set(initializers) - keys)
  raise KeyError('Invalid initializer keys {}, initializers can only be provided for {}'.format(', '.join(("'{}'".format(key) for key in extra_keys)), ', '.join(("'{}'".format(key) for key in keys))))
 def check_nested_callables(dictionary):
  for (key, entry) in dictionary.iteritems():
   if isinstance(entry, dict):
    check_nested_callables(entry)
   elif (not callable(entry)):
    raise TypeError("Initializer for '{}' is not a callable function or dictionary".format(key))
 check_nested_callables(initializers)
 return dict(initializers)

def check_initializers ( initializers , keys ) : if ( initializers is None ) : return { } keys = set ( keys ) if ( not issubclass ( type ( initializers ) , dict ) ) : raise TypeError ( "A dict of initializers was expected, but not given. You should double-check that you've nested the initializers for any sub-modules correctly." ) if ( not ( set ( initializers ) <= keys ) ) : extra_keys = ( set ( initializers ) - keys ) raise KeyError ( 'Invalid initializer keys {}, initializers can only be provided for {}' . format ( ', ' . join ( ( "'{}'" . format ( key ) for key in extra_keys ) ) , ', ' . join ( ( "'{}'" . format ( key ) for key in keys ) ) ) ) def check_nested_callables ( dictionary ) : for ( key , entry ) in dictionary . iteritems ( ) : if isinstance ( entry , dict ) : check_nested_callables ( entry ) elif ( not callable ( entry ) ) : raise TypeError ( "Initializer for '{}' is not a callable function or dictionary" . format ( key ) ) check_nested_callables ( initializers ) return dict ( initializers )
checks the given initializers .