1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 57b9f6b..8eaf1f3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -105,7 +105,7 @@ multi_line_output = 3
 include_trailing_comma = True
 force_grid_wrap = 0
 line_length = 120
-known_first_party = virtualenv
+known_first_party = virtualenv,ConfigParser
 known_third_party = __builtin__,_winreg,mock,pytest,sets,setuptools,sitecustomize,sphinx_rtd_theme,urlparse,usercustomize,winreg
 
 [flake8]