runtime error

[nltk_data] Error loading vader_lexicon: <urlopen error [Errno -3] [nltk_data] Temporary failure in name resolution> Traceback (most recent call last): File "app.py", line 9, in <module> sid = SentimentIntensityAnalyzer() File "/home/user/.local/lib/python3.8/site-packages/nltk/sentiment/vader.py", line 340, in __init__ self.lexicon_file = nltk.data.load(lexicon_file) File "/home/user/.local/lib/python3.8/site-packages/nltk/data.py", line 750, in load opened_resource = _open(resource_url) File "/home/user/.local/lib/python3.8/site-packages/nltk/data.py", line 876, in _open return find(path_, path + [""]).open() File "/home/user/.local/lib/python3.8/site-packages/nltk/data.py", line 583, in find raise LookupError(resource_not_found) LookupError: ********************************************************************** Resource vader_lexicon not found. Please use the NLTK Downloader to obtain the resource: >>> import nltk >>> nltk.download('vader_lexicon')  For more information see: https://www.nltk.org/data.html Attempted to load sentiment/vader_lexicon.zip/vader_lexicon/vader_lexicon.txt Searched in: - '/home/user/nltk_data' - '/usr/local/nltk_data' - '/usr/local/share/nltk_data' - '/usr/local/lib/nltk_data' - '/usr/share/nltk_data' - '/usr/local/share/nltk_data' - '/usr/lib/nltk_data' - '/usr/local/lib/nltk_data' - '' **********************************************************************

Container logs: