docs: def rpyhttp(value):
          """ converts a no namespace pyuri back to a standard uri """
          if value.startswith("http"):
              return value
          try:
              parts = value.split("_")
              del parts[0]
              _uri = base64.b64decode(parts.pop(0)).decode()
              return _uri + "_".join(parts)
          except (IndexError, UnicodeDecodeError, binascii.Error):
              # if the value is not a pyuri return the value
              return value