Remove unnecessary blank line in fixed_point.py

Author: Hadar01

qiskit/transpiler/passes/utils/fixed_point.py

@@ -46,5 +46,5 @@ def run(self, dag: DAGCircuit) -> None:
         else:
             fixed_point_reached = self.property_set[fixed_point_previous_property] == current_value
             self.property_set[f"{self._property}_fixed_point"] = fixed_point_reached
-            
+
         self.property_set[fixed_point_previous_property] = deepcopy(current_value)