code: def load(self):
          
  
          # Config files prior to 0.2.4 dor not have config version keys
          old_config = not self.cfg_file.Exists("config_version")
  
          # Reset data
          self.data.__dict__.update(self.defaults.__dict__)
  
          for key in self.defaults.__dict__:
              if self.cfg_file.Exists(key):
                  setattr(self.data, key, self.cfg_file.Read(key))
  
          # Reset keys that should be reset on version upgrades
          if old_config or self.version != self.data.config_version:
              for key in self.reset_on_version_change:
                  setattr(self.data, key, getattr(DefaultConfig(), key))
              self.data.config_version = self.version
  
          # Delete gpg_key_uid and insert fingerprint key
  
          if hasattr(self.data, "gpg_key_uid"):
              oldkey = "gpg_key_uid"
              delattr(self.data, oldkey)
              newkey = "gpg_key_fingerprint"
              setattr(self.data, newkey, getattr(DefaultConfig(), newkey))
docs: Loads configuration file