Drops the provided table(s) from this database.

        Parameters
        ----------
        table_names : list of str, str or None
            Table(s) to be dropped

def drop(self, table_names):
        '''
        Drops the provided table(s) from this database.

        Parameters
        ----------
        table_names : list of str, str or None
            Table(s) to be dropped
        '''
        table_names = self._check_table_names(table_names)

        for tname in table_names:
            tname = self._check_tname(tname, noload=True)

            # Warning: if auto_load is on the next insert will re-create the table
            with self._lock:
                del self._db[tname]

                filepath = os.path.join(self.root_dir, self.name, tname + '.csv')
                if self.persistent and os.path.exists(filepath):
                    try:
                        os.remove(filepath)
                        self._print('Drop %s: Success' % tname)
                    except (IOError, WindowsError):
                        self._print('Drop %s: Failed' % tname)