def forget_importer(name):
global importers<EOL>name = name.lower()<EOL>if name in importers:<EOL><INDENT>importers = importers.discard(name)<EOL>delattr(load, name)<EOL>return True<EOL><DEDENT>else:<EOL><INDENT>return False<EOL><DEDENT>
forget_importer(name) yields True if an importer of type name was successfully forgotten from
  the neuropythy importers list and false otherwise. This function must be called before an
  importer can be replaced.