Update app.py

app.py

@@ -74,7 +74,7 @@ if sidebar_selectbox == "Bulk upload and mark":
        if data_file is not None:
               file_details = {"filename":data_file.name, "filetype":data_file.type, "filesize":data_file.size}
               st.write(file_details)
-              df = pd.read_csv(data_file, columns = ['Sentences'])
+              df = pd.read_csv(data_file)
               
               # Get length of df.shape (might not need this)
               #total_rows = df.shape[0]