Update app.py

app.py

@@ -59,17 +59,39 @@ if uploaded_file is not None:
     #===check keywords===
     @st.cache_data(ttl=3600)
     def get_data(extype):
-        list_of_column_key = list(data.columns)
-        list_of_column_key = [k for k in list_of_column_key if 'Keyword' in k]
-        return list_of_column_key
+        keycheck = list(data.columns)
+        keycheck = [k for k in list_of_column_key if 'Keyword' in k]
+        return keycheck
 
-    list_of_column_key = get_data(extype)
+    keycheck = get_data(extype)
 
-    if not list_of_column_key:
+    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'.")
     else:
-        st.write('✅')
+        st.write('✅ Keywords Stem')
 
     #===check any obj===
     coldf = sorted(data.select_dtypes(include=['object']).columns.tolist())
-    st.write(coldf)
+    
+    if not coldf:
+        st.error("Unfortunately, you don't have a column containing object in your data. Please check again.")
+    else:
+        st.write('✅ 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'.")
+    else:
+        st.write('✅ Bidirected Network')
+
+    #===Visualization===
+    if 'Publication Year' in data.columns:
+               papers.rename(columns={'Publication Year': 'Year', 'Citing Works Count': 'Cited by',
+                                     'Publication Type': 'Document Type', 'Source Title': 'Source title'}, inplace=True)
+
+    miss_col = [column for column in columns_to_check if column not in data.columns]
+    
+    if not missing_columns:
+        st.write('✅ Vizualisation')
+    else:
+        miss_col_str = ', '.join(miss_col)
+        st.write(f"Unfortunately, you don't have: {miss_col_str}. Please check again.")