Update app.py

app.py

@@ -489,7 +489,7 @@ def main():
                              color_discrete_map={0: 'green', 1: 'red'})
             st.plotly_chart(fig, use_container_width=True)
         else:
-            st.warning("Please train the model first to explore the data.")
+            st.warning("Please train the model first to explore the data.") 
 
 if __name__ == "__main__":
     main()