made the check for other to be based on isinstance rather than attrs.has

Author: tclose

pydra/compose/base/task.py

@@ -404,7 +404,7 @@ def __iter__(self) -> ty.Generator[str, None, None]:
     def __eq__(self, other: ty.Any) -> bool:
         """Check if two tasks are equal"""
         values = attrs.asdict(self, recurse=False)
-        if not attrs.has(other):
+        if not isinstance(other, Task):
             return False
         try:
             other_values = attrs.asdict(other, recurse=False)