Formatting destroyed a string literal again.

Author: zrho

hugr-py/src/hugr/ops.py

@@ -132,8 +132,9 @@ class IncompleteOp(Exception):
 
     @property
     def msg(self) -> str:
-        return f"Operation {
-                self.op} is incomplete, may require set_in_types to be called."
+        return (
+            f"Operation {self.op} is incomplete, may require set_in_types to be called."
+        )
 
 
 V = TypeVar("V")