How to use the distlib.compat.build_opener function in distlib

def send_request(self, req):
        """
        Send a standard library :class:`Request` to PyPI and return its
        response.

        :param req: The request to send.
        :return: The HTTP response from PyPI (a standard library HTTPResponse).
        """
        handlers = []
        if self.password_handler:
            handlers.append(self.password_handler)
        if self.ssl_verifier:
            handlers.append(self.ssl_verifier)
        opener = build_opener(*handlers)
        return opener.open(req)

def send_request(self, req):
        """
        Send a standard library :class:`Request` to PyPI and return its
        response.

        :param req: The request to send.
        :return: The HTTP response from PyPI (a standard library HTTPResponse).
        """
        handlers = []
        if self.password_handler:
            handlers.append(self.password_handler)
        if self.ssl_verifier:
            handlers.append(self.ssl_verifier)
        opener = build_opener(*handlers)
        return opener.open(req)

def send_request(self, req):
        """
        Send a standard library :class:`Request` to PyPI and return its
        response.

        :param req: The request to send.
        :return: The HTTP response from PyPI (a standard library HTTPResponse).
        """
        handlers = []
        if self.password_handler:
            handlers.append(self.password_handler)
        if self.ssl_verifier:
            handlers.append(self.ssl_verifier)
        opener = build_opener(*handlers)
        return opener.open(req)