Import warnings, used on line 215, not imported.

This commit is contained in:
Matthias Bussonnier
2016-03-29 15:36:22 -07:00
parent 552e5caa11
commit 26f0e8ea5c

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@@ -10,6 +10,7 @@ import pwd
import signal
import sys
import grp
import warnings
from subprocess import Popen
from tempfile import mkdtemp