diff --git a/scripts/dev/ci_install.py b/scripts/dev/ci_install.py
index b9f337854..07da59279 100644
--- a/scripts/dev/ci_install.py
+++ b/scripts/dev/ci_install.py
@@ -88,9 +88,8 @@ if 'APPVEYOR' in os.environ:
 
     check_setup(r'C:\Python34\python')
 elif TRAVIS_OS == 'linux':
-    if TESTENV != 'eslint':
-        print("sudo pip install tox/npm")
-        subprocess.check_call(['sudo', 'pip', 'install', 'tox'])
+    print("sudo pip install tox/npm")
+    subprocess.check_call(['sudo', 'pip', 'install', 'tox'])
 
     print("Installing packages...")
     pkgs = []