add virtualenv to gitignore

chriddyp · chriddyp · commit f03b52e3861e · 2018-06-11T19:53:51.000-04:00
diff --git a/.gitignore b/.gitignore
@@ -30,3 +30,7 @@ js/node_modules/
 plotlywidget/static/
 
 .pytest_cache
+
+# virtual envs
+vv
+venv
