Add __str__

Author: Fokko

pyiceberg/expressions/__init__.py

@@ -362,6 +362,10 @@ def __new__(cls, child: BooleanExpression, **_: Any) -> BooleanExpression:  # ty
         obj = super().__new__(cls)
         return obj
 
+    def __str__(self) -> str:
+        """Return the string representation of the Not class."""
+        return f"Not(child={self.child})"
+
     def __repr__(self) -> str:
         """Return the string representation of the Not class."""
         return f"Not(child={repr(self.child)})"