code: def origin(self):
          ''' Read the .yotta_origin.json file (if present), and return the value
              of the 'url' property '''
          if self.origin_info is None:
              self.origin_info = {}
              try:
                  self.origin_info = ordered_json.load(os.path.join(self.path, Origin_Info_Fname))
              except IOError:
                  pass
          return self.origin_info.get('url', Nonef origin(self):
          ''' Read the .yotta_origin.json file (if present), and return the value
              of the 'url' property '''
          if self.origin_info is None:
              self.origin_info = {}
              try:
                  self.origin_info = ordered_json.load(os.path.join(self.path, Origin_Info_Fname))
              except IOError:
                  pass
          return self.origin_info.get('url', None)
docs: Read the .yotta_origin.json file (if present), and return the value
              of the 'url' property