Update app.py

app.py

@@ -11,6 +11,7 @@ import streamlit as st
 import gspread
 import pymongo
 import time
+from io import BytesIO
 from pymongo.mongo_client import MongoClient
 import matplotlib.pyplot as plt
 import certifi
@@ -711,7 +712,9 @@ with tab3:
             ax1.plot(graph_data['Date'], graph_data[plot_var1], color = color) 
             ax1.tick_params(axis ='y', labelcolor = color)
              
-            st.pyplot(fig)
+            buf = BytesIO()
+            fig.savefig(buf, format="png")
+            st.image(buf)
         elif plot_count == "Two":
             graph_data = working_data.reindex(['Date', plot_var1, plot_var2],axis="columns")
             fig, ax1 = plt.subplots(figsize=(5, 5), layout='tight')
@@ -729,4 +732,6 @@ with tab3:
             ax2.plot(graph_data['Date'], graph_data[plot_var2], color = color) 
             ax2.tick_params(axis ='y', labelcolor = color)
              
-            st.pyplot(fig)
+            buf = BytesIO()
+            fig.savefig(buf, format="png")
+            st.image(buf)