Update pyiceberg/expressions/__init__.py

Co-authored-by: Fokko Driesprong <[email protected]>

Author: Aniketsy

pyiceberg/expressions/__init__.py

@@ -456,6 +456,11 @@ def __init__(self, term: Union[str, UnboundTerm[Any]]):
         unbound = _to_unbound_term(term)
         super().__init__(term=unbound)
 
+    def __str__(self) -> str:
+        """Return the string representation of the UnaryPredicate class."""
+        # Sort to make it deterministic
+        return f"{str(self.__class__.__name__)}(term={str(self.term)})"
+
     def bind(self, schema: Schema, case_sensitive: bool = True) -> BoundUnaryPredicate[Any]:
         bound_term = self.term.bind(schema, case_sensitive)
         return self.as_bound(bound_term)