Fatal Python error: Segmentation fault

Thread 0x00007f0426ffd700:
  File "slashbot.py", line 82 in execute
  File "slashbot.py", line 163 in updateSpecialusers
  File "slashbot.py", line 157 in __init__
  File "slashbot.py", line 199 in joinChannel
  File "slashbot.py", line 669 in updateLoop
  File "/usr/lib/python2.7/threading.py", line 763 in run
  File "/usr/lib/python2.7/threading.py", line 810 in __bootstrap_inner
  File "/usr/lib/python2.7/threading.py", line 783 in __bootstrap

Thread 0x00007f04277fe700:
  File "/usr/lib/python2.7/socket.py", line 224 in meth
  File "/usr/local/lib/python2.7/dist-packages/irc/connection.py", line 61 in connect
  File "/usr/local/lib/python2.7/dist-packages/irc/client.py", line 505 in connect
  File "/usr/local/lib/python2.7/dist-packages/irc/functools.py", line 35 in wra
  File "/usr/local/lib/python2.7/dist-packages/irc/client.py", line 1233 in conn
  File "/usr/local/lib/python2.7/dist-packages/irc/bot.py", line 115 in _connect
  File "/usr/local/lib/python2.7/dist-packages/irc/bot.py", line 265 in start
  File "/usr/lib/python2.7/threading.py", line 763 in run
  File "/usr/lib/python2.7/threading.py", line 810 in __bootstrap_inner
  File "/usr/lib/python2.7/threading.py", line 783 in __bootstrap

Thread 0x00007f0427fff700:
  File "slashbot.py", line 263 in sendAgent
  File "/usr/lib/python2.7/threading.py", line 763 in run
  File "/usr/lib/python2.7/threading.py", line 810 in __bootstrap_inner
  File "/usr/lib/python2.7/threading.py", line 783 in __bootstrap

Current thread 0x00007f042cd20700:
  File "slashbot.py", line 109 in run
  File "/usr/lib/python2.7/threading.py", line 763 in run
  File "/usr/lib/python2.7/threading.py", line 810 in __bootstrap_inner
  File "/usr/lib/python2.7/threading.py", line 783 in __bootstrap