Bug 1559975 - fix python2 linter errors for python/devtools r=ahal

Differential Revision: https://phabricator.services.mozilla.com/D37640

--HG--
extra : moz-landing-system : lando

python/devtools/migrate-l10n/migrate/main.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+
 import argparse
 import glob
 import HTMLParser

tools/lint/py2.yml

@@ -19,7 +19,6 @@ py2:
         - netwerk
         - nsprpub
         - other-licenses
-        - python/devtools
         - security
         - servo
         - taskcluster/docker/funsize-update-generator