Update app.py

app.py

@@ -12,13 +12,29 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
 class BasicAgent:
     def __init__(self):
-        self.endpoint = "https://jcleee-first-agent-template.hf.space/run/predict"  # Replace with your actual Space URL
+        host = os.getenv("SPACE_HOST", "jcleee-first-agent-template.hf.space")
+        self.endpoint = f"https://{host}/run/predict"
 
     def __call__(self, question: str) -> str:
         try:
-            response = requests.post(f"{self.endpoint}", json={"data": [question]}, timeout=60) # new change: removed /run
+            payload = {"data": [question], "fn_index": 0}
+            response = requests.post(self.endpoint, json=payload, timeout=60)
+
+            # ←――――――――――――――――――――――――――――――――――――――――
+            # DEBUG LINES:
+            print("▶️ POST", self.endpoint)
+            print("  payload:", payload)
+            print("  status:", response.status_code)
+            raw = response.text
+            print("  raw response:", raw[:500])
+            # ―――――――――――――――――――――――――――――――――――――――――――→
+
             result = response.json()
-            return result["data"][0] if "data" in result else "null"
+            if "data" in result:
+                return result["data"][0]
+            # if you see e.g. result["predictions"], pull from there instead
+            print("⚠️ no `data` key in result, keys are:", result.keys())
+            return "null"
         except Exception as e:
             return f"Error: {e}"