update app.py

app.py

@@ -56,13 +56,8 @@ st.title("Sentinel Dataset")
 main_selection = st.selectbox("Select Sentinel Dataset Category", list(data.keys()))
 
 if main_selection:
-    # Check if 'sub_options' exists in the selected main_selection
-    if "sub_options" in data[main_selection]:
-        sub_options = data[main_selection]["sub_options"]
-        sub_selection = st.selectbox("Select Specific Dataset ID", list(sub_options.keys()))
-    else:
-        st.error(f"No sub-options available for the selected dataset category: {main_selection}")
-        sub_options = None  # Set to None if no sub-options exist
+    sub_options = data[main_selection]["sub_options"]
+    sub_selection = st.selectbox("Select Specific Dataset ID", list(sub_options.keys()))
 
 # Earth Engine Index Calculator Section
 st.header("Earth Engine Index Calculator")