def create_table_index(self, key, **kwargs):
<EOL>_tables()<EOL>s = self.get_storer(key)<EOL>if s is None:<EOL><INDENT>return<EOL><DEDENT>if not s.is_table:<EOL><INDENT>raise TypeError(<EOL>"<STR_LIT>")<EOL><DEDENT>s.create_index(**kwargs)<EOL>
Create a pytables index on the table
        Parameters
        ----------
        key : object (the node to index)

        Exceptions
        ----------
        raises if the node is not a table