Update app.py

app.py

@@ -229,7 +229,6 @@ def filter_and_rename_images(folder: str = Query("demo", description="Folder pat
 @app.post("/webhook-trigger")
 def call_other_space():
     try:
-        # You can dynamically collect input from elsewhere too
         payload = {"input": "Start training from external trigger"}
 
         res = requests.post(
@@ -237,6 +236,17 @@ def call_other_space():
             json=payload,
             timeout=30,
         )
-        return res.json()
+
+        # ✅ check if response has content and is JSON
+        try:
+            data = res.json()
+        except ValueError:
+            return {
+                "error": f"Invalid JSON response. Status: {res.status_code}",
+                "text": res.text
+            }
+
+        return data
+
     except Exception as e:
         return {"error": str(e)}