code: def _fetch(self, searchtype, fields, **kwargs):
          '''Fetch a response from the Geocoding API.'''
          fields['vintage'] = self.vintage
          fields['benchmark'] = self.benchmark
          fields['format'] = 'json'
  
          if 'layers' in kwargs:
              fields['layers'] = kwargs['layers']
  
          returntype = kwargs.get('returntype', 'geographies')
          url = self._geturl(searchtype, returntype)
  
          try:
              with requests.get(url, params=fields, timeout=kwargs.get('timeout')) as r:
                  content = r.json()
                  if "addressMatches" in content.get('result', {}):
                      return AddressResult(content)
  
                  if "geographies" in content.get('result', {}):
                      return GeographyResult(content)
  
                  raise ValueError()
  
          except (ValueError, KeyError):
              raise ValueError("Unable to parse response from Census")
  
          except RequestException as e:
              raise f _fetch(self, searchtype, fields, **kwargs):
          '''Fetch a response from the Geocoding API.'''
          fields['vintage'] = self.vintage
          fields['benchmark'] = self.benchmark
          fields['format'] = 'json'
  
          if 'layers' in kwargs:
              fields['layers'] = kwargs['layers']
  
          returntype = kwargs.get('returntype', 'geographies')
          url = self._geturl(searchtype, returntype)
  
          try:
              with requests.get(url, params=fields, timeout=kwargs.get('timeout')) as r:
                  content = r.json()
                  if "addressMatches" in content.get('result', {}):
                      return AddressResult(content)
  
                  if "geographies" in content.get('result', {}):
                      return GeographyResult(content)
  
                  raise ValueError()
  
          except (ValueError, KeyError):
              raise ValueError("Unable to parse response from Census")
  
          except RequestException as e:
              raise e
docs: Fetch a response from the Geocoding API.