[error] IProgress not found. Please update jupyter and ipywidgets. See https://ipywidgets.readthedocs.io/en/stable/user_install.html

pip install ipywidgets

출처: https://inistory.tistory.com/99

error2

Please use tqdm.notebook.tqdm instead of tqdm.tqdm_notebook

from tqdm import tqdm_notebook 대신

from tqdm.notebook import tqdm
datas=[]
for content in tqdm(seoul_list):

사용