docs: def encode(self, value):
          """encode(value) -> bytearray
  
          Encodes the given value to a bytearray according to this
          Complex Type definition.
          """
          e = self.evrs.get(value, None)
          if not e:
              log.error(str(value) + " not found as EVR. Cannot encode.")
              return None
          else:
              return super(EVRType, self).encode(e.code)