pyOpenSSL error version

When running the poc with:
` python bluekeep_poc.py`

I get

`AttributeError: module 'lib' has no attribute 'X509_V_FLAG_NOTIFY_POLICY'. Did you mean: 'X509_V_FLAG_EXPLICIT_POLICY'?`

This is due to mismatch between cryptography newer version and the version you put in requirements of pyOpenSSL
you should replace

`pyopenssl==19.0`

to
`pyopenssl`

This should solve the error

Start by opening the requirements file and reproducing the failure with `python bluekeep_poc.py`. Check the pyOpenSSL dependency entry against the reported cryptography mismatch, then rerun the proof of concept; done means the `X509_V_FLAG_NOTIFY_POLICY` AttributeError no longer occurs.

Written by the indexing model from the issue text.