Update app.py

app.py

@@ -209,20 +209,21 @@ with col_2:
     #     uploaded_file = "NGC5813_example.fits"
 
     # If file is uploaded, read in the data and plot it
+    
 if uploaded_file is not None:
     data, wcs = load_file(uploaded_file)
     os.system(f'mkdir -p {uploaded_file.name.strip(".fits")}')
     fname = uploaded_file.name.strip(".fits")
-    plot = True
+    st.session_state['loaded'] = True
 
 if example:
     fname = "NGC4649_example"
     data, wcs = load_file(f"{fname}.fits")
-    plot = True
+    st.session_state['loaded'] = True
 
 if "data" not in locals():
     data = np.zeros((128,128))
-    plot = False
+    st.session_state['loaded'] = False
         
 # Make six columns for buttons
 _, col1, col2, col3, col4, col5, col6, _ = st.columns([bordersize,0.5,0.5,0.5,0.5,0.5,0.5,bordersize])
@@ -253,7 +254,7 @@ with col5: decompose = st.button('Decompose', key="decompose")
 # Make two columns for plots
 _, colA, colB, colC, _ = st.columns([bordersize,1,1,1,bordersize])
 
-if plot:
+if st.session_state['loaded']:
     # NORMALIZE IMAGE
     MIN = np.min(np.where(data == 0, 1, data))
     if MIN < 1: data = data / MIN