Update app.py

app.py

@@ -180,7 +180,7 @@ def main():
             st.session_state.refresh += 1
             st.session_state.last_updated = datetime.now(india_tz).strftime("%Y-%m-%d %H:%M:%S")
             # Clear cached data by updating refresh counter
-            st.experimental_memo.clear()
+            st.cache_data.clear()
         
         st.markdown("---")
         st.markdown("**Last Updated:**")
@@ -192,7 +192,7 @@ def main():
             st.success("📈 Market is currently OPEN.")
         else:
             st.info("📉 Market is CLOSED. Showing latest available data.")
-    
+
     # Main content area
     try:
         with st.spinner('Fetching sector data...'):
@@ -205,11 +205,11 @@ def main():
             else:
                 sector_data = []
                 last_updated = datetime.now(india_tz).strftime("%Y-%m-%d %H:%M:%S")
-    
+
         # Update last updated time if not set
         if not st.session_state.last_updated and sector_data:
             st.session_state.last_updated = last_updated
-    
+
         # Calculate summary stats
         stats = get_summary_stats(sector_data)
         
@@ -313,7 +313,7 @@ def main():
                     for item in sector_data:
                         sector = item['Sector']
                         ticker = item['Ticker']
-                        hist = item['Historical Data']
+                        hist = item.get('Historical Data', pd.DataFrame())
                         st.write(f"### {sector} ({ticker})")
                         if not hist.empty:
                             # Display the last 10 rows for brevity
@@ -322,7 +322,7 @@ def main():
                             st.write("No historical data available.")
         else:
             st.warning("No sector performance data available for the selected date range.")
-    
+
     except Exception as e:
         st.error(f"An unexpected error occurred: {e}")
         st.markdown("""