Update app.py

app.py

@@ -244,7 +244,6 @@ def refresh_dashboard():
         default_df,
     )
 
-
 def call_n8n(payload):
     if not N8N_WEBHOOK_URL:
         return "N8N_WEBHOOK_URL is not set in Space variables."
@@ -252,14 +251,19 @@ def call_n8n(payload):
     try:
         response = requests.post(N8N_WEBHOOK_URL, json=payload, timeout=30)
         response.raise_for_status()
-        data = response.json()
 
-        if isinstance(data, dict):
-            for key in ["result", "answer", "response", "output"]:
-                if key in data and data[key]:
-                    return str(data[key])
+        content_type = response.headers.get("content-type", "").lower()
+
+        if "application/json" in content_type:
+            data = response.json()
+            if isinstance(data, dict):
+                for key in ["result", "answer", "response", "output"]:
+                    if key in data and data[key]:
+                        return str(data[key])
+            return json.dumps(data, indent=2)
+
+        return response.text.strip() or "No response returned from webhook."
 
-        return json.dumps(data, indent=2)
     except Exception as e:
         return f"Webhook error: {e}"