Fixed initial slider values and error messages

app.py

@@ -7,16 +7,21 @@ with col1:
     text = st.text_area('Enter text', "", height=180)
 
 with col2:
-    weight = st.slider('weight', 0.0, 1.5, 0.01)
-    k = st.slider("k", 2, 10, 1)
+    weight = st.slider('weight', min_value=0.0, max_value=3.0, value=1.5, step=0.01)
+    k = st.slider("k", min_value=2, max_value=10, value=10, step=1)
 
 trigger = st.button("Generate")
 st.subheader("Result")
 
 import requests
-GROK_URL = "https://f1dc-128-105-19-70.ngrok-free.app"
+GROK_URL = "https://edfa-128-105-19-70.ngrok-free.app"
 ENDPOINT = f"{GROK_URL}/model"
 
 if trigger:
-    result = requests.get(ENDPOINT, params={"weight": weight, "k": k, "text": text, "ngrok-skip-browser-warning": "1"}).text
+    req = requests.get(ENDPOINT, params={"weight": weight, "k": k, "text": text, "ngrok-skip-browser-warning": "1"})
+    if req.status_code == 200
+        result = req.text
+    else:
+        result = "Sorry, an error occured!"
     st.write(result)
+