bugfix: fix minor bugs

utils/completion_reward.py

@@ -28,11 +28,6 @@ SERVICE_ACCOUNT_INFO = os.getenv("GBQ_TOKEN")
 SCOPES = ["https://www.googleapis.com/auth/cloud-platform"]
 service_account_info_dict = json.loads(SERVICE_ACCOUNT_INFO)
 
-aiplatform.init(
-        project='junyiacademy',
-        service_account=service_account_info_dict,
-    )
-gemini_pro_model = GenerativeModel("gemini-pro")
 creds = Credentials.from_service_account_info(service_account_info_dict, scopes=SCOPES)
 
 gbq_client = bigquery.Client(
@@ -326,6 +321,11 @@ class AWSAgent:
 
 class GoogleAgent:
     def get_story(self, user_log):
+        aiplatform.init(
+            project='junyiacademy',
+            service_account=service_account_info_dict,
+        )
+        gemini_pro_model = GenerativeModel("gemini-pro")
         system_prompt = """
                     我正在舉辦一個學習型的活動，參與活動的學生為 1-9 年級，我為他們設計了一個獨特的故事機制，每天每個學生都會收到屬於自己獨特的冒險紀錄，現在我需要你協助我將這些冒險紀錄，製作成一段冒險故事，請
                     - 以「你」稱呼學生