def requests(self, code=None, **kwargs):
        """
        Retrieve open requests. You can also enter a specific service code
        argument.

        >>> Three('api.city.gov').requests()
        {'all': {'requests': 'data'}}
        >>> Three('api.city.gov').requests('123')
        {'123': {'requests': 'data'}}
        """
        if code:
            kwargs['service_code'] = code
        data = self.get('requests', **kwargs)
        return data
Retrieve open requests. You can also enter a specific service code
        argument.

        >>> Three('api.city.gov').requests()
        {'all': {'requests': 'data'}}
        >>> Three('api.city.gov').requests('123')
        {'123': {'requests': 'data'}}