code: def load_table(self, table_name):
          
          table_name = normalize_table_name(table_name)
          with self.lock:
              if table_name not in self._tables:
                  self._tables[table_name] = Table(self, table_name)
              return self._tables.get(table_name)
docs: Load a table.
  
          This will fail if the tables does not already exist in the database. If
          the table exists, its columns will be reflected and are available on
          the :py:class:`Table <dataset.Table>` object.
  
          Returns a :py:class:`Table <dataset.Table>` instance.
          ::
  
              table = db.load_table('population')