def _create_buffer(self):
        """
        Create the `Buffer` for the Python input.
        """
        python_buffer = Buffer(
            name=DEFAULT_BUFFER,
            complete_while_typing=Condition(lambda: self.complete_while_typing),
            enable_history_search=Condition(lambda: self.enable_history_search),
            tempfile_suffix='.py',
            history=self.history,
            completer=ThreadedCompleter(self._completer),
            validator=ConditionalValidator(
                self._validator,
                Condition(lambda: self.enable_input_validation)),
            auto_suggest=ConditionalAutoSuggest(
                ThreadedAutoSuggest(AutoSuggestFromHistory()),
                Condition(lambda: self.enable_auto_suggest)),
            accept_handler=self._accept_handler,
            on_text_changed=self._on_input_timeout)

        return python_buffer
Create the `Buffer` for the Python input.