runtime error

[nltk_data] Downloading package stopwords to /home/user/nltk_data... [nltk_data] Unzipping corpora/stopwords.zip. [nltk_data] Downloading package punkt to /home/user/nltk_data... [nltk_data] Unzipping tokenizers/punkt.zip. [nltk_data] Downloading package wordnet to /home/user/nltk_data... [nltk_data] Downloading package omw-1.4 to /home/user/nltk_data... Traceback (most recent call last): File "app.py", line 25, in <module> model = pickle.load(open('model.sav','rb')) _pickle.UnpicklingError: invalid load key, '<'.

Container logs: