Update app.py

app.py

@@ -38,10 +38,16 @@ def get_valuation(item_description, image=None):
     try:
         response = requests.post(DEEPSEEK_ENDPOINT, json=data, headers=headers)
         response.raise_for_status()
-        return response.json()["choices"][0]["message"]["content"]
+        return response.json().get("choices", [{}])[0].get("message", {}).get("content", "No response from API.")
+    except requests.exceptions.HTTPError as http_err:
+        st.error(f"HTTP error occurred: {http_err}")
+    except requests.exceptions.ConnectionError:
+        st.error("Connection error. Please check your internet connection.")
+    except requests.exceptions.Timeout:
+        st.error("Request timed out. Please try again later.")
     except requests.exceptions.RequestException as e:
         st.error(f"API Error: {str(e)}")
-        return None
+    return None
 
 # Streamlit UI
 st.set_page_config(page_title="Auction Valuation Tool", layout="wide")