Update app.py

app.py

@@ -15,7 +15,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class BasicAgent:
     def __init__(self):
         genai.configure(api_key=os.getenv("GEMINI_API_KEY"))
-        self.model = genai.GenerativeModel("gemini-2.5-pro-exp-03-25")
+        self.model = genai.GenerativeModel("gemini-1.5-pro")
         self.files_base_url = "https://agents-course-unit4-scoring.hf.space/files"
         print("Gemini-powered BasicAgent initialized.")
 
@@ -24,14 +24,14 @@ class BasicAgent:
         task_id = question_data.get("task_id", "")
         file_names = question_data.get("file_names", [])
 
-        # Research Advisory-style prompt
+        # Research Advisory-style prompt (English)
         system_prompt = (
-            "あなたは、難解な問題を冷静に検討する研究所のエージェントです。\n"
-            "ここには、言語理解、画像解析、情報検索、論理構築の専門家がいます。\n"
-            "この問題に協力して取り組み、段階的に考えてください。\n\n"
-            "最終的な回答は、英語で、問題文に指定された形式に厳密に従ってください。\n"
-            "回答は1文のみで、説明や補足は省き、答えだけを返してください。\n\n"
-            f"【課題】\n{question_text}"
+            "You are an agent working in a research laboratory specializing in solving complex problems.\n"
+            "Your team includes experts in language understanding, image analysis, information retrieval, and logical reasoning.\n"
+            "Work collaboratively and approach the problem step by step.\n\n"
+            "The final answer must be in English, strictly following the required format in the question.\n"
+            "Please return only the answer as a single sentence, with no explanation or additional information.\n\n"
+            f"[Problem]\n{question_text}"
         )
 
         try: