Update app.py

app.py

@@ -66,22 +66,22 @@ if uploaded_file is not None:
     keycheck = get_data(extype)
 
     if not keycheck:
-        st.error("Unfortunately, you don't have a column containing keywords in your data. Please check again. If you want to use it in another column, please rename it to 'Keywords'.")
+        er_keycheck = "Unfortunately, you don't have a column containing keywords in your data. Please check again. If you want to use it in another column, please rename it to 'Keywords'."
     else:
-        st.write('✅ Keywords Stem')
+        suc_keycheck = '✅ Keywords Stem'
 
     #===check any obj===
     coldf = sorted(data.select_dtypes(include=['object']).columns.tolist())
     
     if not coldf:
-        st.error("Unfortunately, you don't have a column containing object in your data. Please check again.")
+        er_obj = "Unfortunately, you don't have a column containing object in your data. Please check again."
     else:
-        st.write('✅ Topic Modeling')
+        suc_obj = '✅ Topic Modeling'
 
     if not keycheck:
-        st.error("Unfortunately, you don't have a column containing keywords in your data. Please check again. If you want to use it in another column, please rename it to 'Keywords'.")
+        er_keycheck2 = "Unfortunately, you don't have a column containing keywords in your data. Please check again. If you want to use it in another column, please rename it to 'Keywords'."
     else:
-        st.write('✅ Bidirected Network')
+        suc_keycheck2 = '✅ Bidirected Network'
 
     #===Visualization===
     if 'Publication Year' in data.columns:
@@ -91,8 +91,8 @@ if uploaded_file is not None:
     col2check = ['Document Type','Source title','Cited by','Year']
     miss_col = [column for column in col2check if column not in data.columns]
     
-    if not missing_columns:
-        st.write('✅ Vizualisation')
+    if not miss_col:
+        suc_viz = '✅ Vizualisation'
     else:
         miss_col_str = ', '.join(miss_col)
-        st.write(f"Unfortunately, you don't have: {miss_col_str}. Please check again.")
+        er_viz = f"Unfortunately, you don't have: {miss_col_str}. Please check again."