variable initialization

pfc-3/minion.py

@@ -25,7 +25,7 @@ class Minion(QueueClient):
                 break
             start = time.perf_counter()
             print(f"start work {n + 1}/{self.n_tasks} on task {task}...")
-            result = find_prime(task)
+            result, norm = find_prime(task)
             perf = time.perf_counter() - start
             print(f"The {task}-th prime number is {result}")
             print(f"Its associated quaternion norm is {norm}")