Update app.py

app.py

@@ -66,7 +66,7 @@ def display_board(num):
     col4, col5, col6 = st.columns(3)
     col7, col8, col9 = st.columns(3)
     
-    if num = 0:        
+    if int(num) == 0:        
         with col1:
             st.text(st.session_state.gridNumbers[0])
         with col2: