def add_path(self, path):
        """
        Adds a path to search through when attempting to look up a module.

        :param path: the path the add to the list of searchable paths
        """
        if path not in self.paths:
            self.paths.append(path)
Adds a path to search through when attempting to look up a module.

        :param path: the path the add to the list of searchable paths