Have you tried running in safe mode and if so did it solve the issue?
WRITE HERE
Complete Logs
/home/pi/oprint/local/lib/python2.7/site-packages/OpenSSL/crypto.py:14: CryptographyDeprecationWarning: Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography, and will be removed in a future release.
from cryptography import utils, x509
WRITE HERE
Additional information about your setup
OctoPrint : 1.5.0 on RPI4 4Go Linux octopi 5.4.79-v7l+ #1373 SMP Mon Nov 23 13:27:40 GMT 2020 armv7l Linux octopi 5.4.79-v7l+ #1373 SMP Mon Nov 23 13:27:40 GMT 2020 armv7l
OctoPrint version : 1.5.0
OctoPi version : 0.17.0
/home/pi/oprint/local/lib/python2.7/site-packages/OpenSSL/crypto.py:14: CryptographyDeprecationWarning: Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography, and will be removed in a future release.
from cryptography import utils, x509
Don't worry about it, depreciation warnings mean 'This will stop working in a newer update', in this case it is a dependency. Authors of plugins & OctoPrint itself will make sure that we don't use this newer version.
Or, to get rid of this warning, you can upgrade to Python 3, which you will have to do at some point, so to stop getting warnings: