diff --git a/.gitignore b/.gitignore
index e10547b..26c0261 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .coverage
+.coverage.*
 *.pyc
 *.pyo
 *.swp
diff --git a/tests/nodeenv_test.py b/tests/nodeenv_test.py
index 22dd5eb..302e373 100644
--- a/tests/nodeenv_test.py
+++ b/tests/nodeenv_test.py
@@ -1,11 +1,12 @@
 from __future__ import absolute_import
 from __future__ import unicode_literals
 
-import os.path
+import sys
 if sys.version_info < (3, 3):
     from pipes import quote as _quote
 else:
     from shlex import quote as _quote
+import os.path
 import subprocess
 import sys
 import sysconfig