code: def get_crimes_no_location(self, force, date=None, category=None):
          
  
          if not isinstance(force, Force):
              force = Force(self, id=force)
  
          if isinstance(category, CrimeCategory):
              category = category.id
  
          kwargs = {
              'force': force.id,
              'category': category or 'all-crime',
          }
          crimes = []
          if date is not None:
              kwargs['date'] = date
          for c in self.service.request('GET', 'crimes-no-location', **kwargs):
              crimes.append(NoLocationCrime(self, data=c))
          return crimes
docs: Get crimes with no location for a force. Uses the crimes-no-location_
          API call.
  
          .. _crimes-no-location:
              https://data.police.uk/docs/method/crimes-no-location/
  
          :rtype: list
          :param force: The force to get no-location crimes for.
          :type force: str or Force
          :param date: The month in which the crimes were reported in the format
                      ``YYYY-MM`` (the latest date is used if ``None``).
          :type date: str or None
          :param category: The category of the crimes to filter by (either by ID
                           or CrimeCategory object)
          :type category: str or CrimeCategory
          :return: A ``list`` of :class:`crime.NoLocationCrime` objects which
                   were reported in the given month, by the specified force, but
                   which don't have a location.