Python/Twisted – Various import errors

Here are some issues I encountered while trying to set up a basic Twisted install.

ImportError: No module named ‘twisted.conch’

This issue occurred because I was trying to use Twisted with Python 3.4. As of right now this is not supported. Time to downgrade to 2.7…

ImportError: No module named Crypto

Apparently I don’t have the crypto module installed.

pip install pycrypto

ImportError: No module named pyasn1.error

pip install pyasn1


So with Python 2.7, pycrypto and pyasn1 installed, it appears I have everything I need.

>>> import Crypto
>>> import twisted.conch.ssh.transport
>>> twisted.conch.ssh.transport.md5
<built-in function openssl_md5>

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