Fix documentation build, take 2

This commit is contained in:
Victor Zverovich 2018-04-15 10:34:04 -07:00
parent 3284751f43
commit ded921f0a2

View File

@ -2,7 +2,7 @@
# Build the project on Travis CI.
from __future__ import print_function
import errno, os, re, shutil, sys, tempfile, urllib
import errno, os, re, shutil, subprocess, sys, tempfile, urllib
from subprocess import call, check_call, check_output, Popen, PIPE, STDOUT
def rmtree_if_exists(dir):