Traceback (most recent call last): File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/bin/pylint", line 6, in <module> exec(compile(open(__file__).read(), __file__, 'exec')) File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/src/pylint/bin/pylint", line 3, in <module> run_pylint() File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/src/pylint/pylint/__init__.py", line 23, in run_pylint Run(sys.argv[1:]) File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/src/pylint/pylint/lint.py", line 1292, in __init__ linter.load_plugin_modules(plugins) File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/src/pylint/pylint/lint.py", line 498, in load_plugin_modules module = modutils.load_module_from_name(modname) File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/lib/python2.7/site-packages/astroid/modutils.py", line 137, in load_module_from_name return load_module_from_modpath(dotted_name.split('.'), path, use_sys) File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/lib/python2.7/site-packages/astroid/modutils.py", line 180, in load_module_from_modpath module = imp.load_module(curname, mp_file, mp_filename, mp_desc) File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/src/pylint/pylint/extensions/check_docs.py", line 10, in <module> from pylint.checkers.utils import node_frame_class File "/home/travis/build/GoogleCloudPlatform/gcloud-python/.tox/lint/src/pylint/pylint/checkers/utils.py", line 27, in <module> from astroid import helpers