Update app.py

app.py

@@ -149,26 +149,28 @@ import plotly.express as px
 {requirements}
 
 def main():
-    st.title("{app_title}")
-    st.subheader("{app_subtitle}")
-    st.sidebar.title("{side_panel_title}")
+    try:
+        st.title("{app_title}")
+        st.subheader("{app_subtitle}")
+        st.sidebar.title("{side_panel_title}")
 
-    uploaded_file = st.file_uploader("Upload a CSV file", type=["csv"])
+        uploaded_file = st.file_uploader("Upload a CSV file", type=["csv"])
 
-    if uploaded_file is not None:
-        @st.cache
-        def load_data(uploaded_file):
-            return pd.read_csv(uploaded_file)
+        if uploaded_file is not None:
+            @st.cache
+            def load_data(uploaded_file):
+                return pd.read_csv(uploaded_file)
 
-        df = load_data(uploaded_file)
+            df = load_data(uploaded_file)
 
 {analysis_functions_code}
-        
-        # Analysis task calls
+            
+            # Analysis task calls
 {analysis_tasks_code}
+    except Exception as e:
+        st.error(f"An error occurred: {e}")
 
-if __name__ == "__main__":
-    main()
+main()
 """
     return code