Update app.py

app.py

@@ -292,7 +292,7 @@ elif input_option == "Unggah Berkas XLSX" and uploaded_file is not None:
             emoticon = get_emoticon(sentiment_label)
             cleaned_text = clean_text(text)
             norm_slang_text = normalize_slang(cleaned_text, lookp_dict)
-            if dates in df.columns :
+            if 'Date' in df.columns :
                 for date in dates :
                     results.append({
                         'Date' : date,