diff --git a/tools/install_venv.py b/tools/install_venv.py
index b9c4795066..b60321e1d2 100644
--- a/tools/install_venv.py
+++ b/tools/install_venv.py
@@ -26,7 +26,7 @@ from __future__ import print_function
 import os
 import sys
 
-import install_venv_common as install_venv
+from tools import install_venv_common as install_venv
 
 
 def print_help():
diff --git a/tox.ini b/tox.ini
index 493363ecf9..7b17476a06 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,9 +32,8 @@ commands = {posargs}
 # E712  comparison to True should be 'if cond is True:' or 'if cond:'
 # F821  undefined name 'name'
 # H302  import only modules
-# H304  no relative imports
 # H402  one line docstring needs punctuation.
 # H404  multi line docstring should start with a summary
-ignore = E711,E712,F821,H302,H304,H402,H404
+ignore = E711,E712,F821,H302,H402,H404
 builtins = _
 exclude = .venv,.git,.tox,dist,doc,etc,*glance/locale*,*openstack/common*,*lib/python*,*egg,build