AttributeError: function/symbol 'SHA256_init' not found in library

[xwang71785]

Ubuntu 20.04, Anaconda3, SONY DPT-RP1

$ dptrp1 register
Found Digital Paper with serial number 6215518
Found digital paper at 10.168.202.130

but got following error:
AttributeError: function/symbol 'SHA256_init' not found in library
undefined symbol: SHA256_init
ValueError: Hash type incompatible to HMAC

tried solution:
pip install pycryptodome==3.10.1
but problem still exists

[fx-kirin]

Uninstall pycrypto and reinstall pycryptodome. It worked for me.

pip uninstall pycrypto
pip uninstall pycryptodome
pip install pycryptodome

[2tank]

real real thanks dude!!!!