chore(core): improve error message

[no changelog]
trezor · Jan 21, 2025 · 6806267 · 6806267
1 parent 339471f
commit 6806267
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/python/src/trezorlib/mapping.py b/python/src/trezorlib/mapping.py
@@ -62,7 +62,9 @@ def encode(self, msg: protobuf.MessageType) -> Tuple[int, bytes]:
         """
         wire_type = self.class_to_type_override.get(type(msg), msg.MESSAGE_WIRE_TYPE)
         if wire_type is None:
-            raise ValueError("Cannot encode class without wire type")
+            raise ValueError(
+                f'Cannot encode class "{type(msg).__name__}" without wire type'
+            )
 
         buf = io.BytesIO()
         protobuf.dump_message(buf, msg)