style(label): update error message for calling "dumps()" in mask label

tensorbay/label/label_mask.py

@@ -355,7 +355,20 @@ def get_callback_body(self) -> Dict[str, Any]:
         return body
 
 
-class RemoteSemanticMask(SemanticMaskBase, RemoteFileMixin):
+class RemoteMaskErrorMixin:  # pylint: disable=too-few-public-methods
+    """RemoteMaskErrorMixin provid more accurate error information when calling ``dumps()``."""
+
+    def get_callback_body(self) -> None:
+        """``dumps`` function is not support for remote mask label.
+
+        Raises:
+            AttributeError: when calling the ``dumps()``.
+
+        """
+        raise AttributeError(f"'{self.__class__.__name__}' object has no function 'dumps()'")
+
+
+class RemoteSemanticMask(SemanticMaskBase, RemoteFileMixin, RemoteMaskErrorMixin):
     """RemoteSemanticMask is a class for the remote semantic mask label.
 
     Attributes:
@@ -403,7 +416,7 @@ def from_response_body(cls: Type[_T], body: Dict[str, Any]) -> _T:
         return mask
 
 
-class RemoteInstanceMask(InstanceMaskBase, RemoteFileMixin):
+class RemoteInstanceMask(InstanceMaskBase, RemoteFileMixin, RemoteMaskErrorMixin):
     """RemoteInstanceMask is a class for the remote instance mask label.
 
     Attributes:
@@ -451,7 +464,7 @@ def from_response_body(cls: Type[_T], body: Dict[str, Any]) -> _T:
         return mask
 
 
-class RemotePanopticMask(PanopticMaskBase, RemoteFileMixin):
+class RemotePanopticMask(PanopticMaskBase, RemoteFileMixin, RemoteMaskErrorMixin):
     """RemotePanoticMask is a class for the remote panotic mask label.
 
     Attributes: