Merge pull request #495 from Carreau/add-import

Import warnings, used on line 215, not imported.
This commit is contained in:
Carol Willing
2016-03-29 15:52:39 -07:00

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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