Traceback (most recent call last):


 "kcc.py", line 72, in <module>


 "kindlecomicconverter/startup.py", line 29, in start


 "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/PyInstaller/loader/pyimod03_importers.py", line 631, in exec_module


 "kindlecomicconverter/KCC_gui.py", line 27, in <module>


 "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/PyInstaller/loader/pyimod03_importers.py", line 714, in load_module
ImportError: /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1: undefined symbol: drmGetDevices2

Traceback (most recent call last):


 "/opt/eff.org/certbot/venv/bin/letsencrypt", line 7, in <module>

from certbot.main import main


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/certbot/main.py", line 10, in <module>

import josepy as jose


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/josepy/__init__.py", line 41, in <module>

from josepy.interfaces import JSONDeSerializable


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/josepy/interfaces.py", line 8, in <module>

from josepy import errors, util


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/josepy/util.py", line 4, in <module>

import OpenSSL


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/OpenSSL/__init__.py", line 8, in <module>

from OpenSSL import rand, crypto, SSL


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/OpenSSL/rand.py", line 12, in <module>

from OpenSSL._util import (


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/OpenSSL/_util.py", line 6, in <module>

from cryptography.hazmat.bindings.openssl.binding import Binding


 "/opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 13, in <module>

from cryptography.hazmat.bindings._openssl import ffi, lib
ImportError: /opt/eff.org/certbot/venv/local/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so: cannot enable executable stack as shared object requires: Invalid argument
