Added .cache/ to the gitignore, it shows up if you have pytest-cache installed
diff --git a/.gitignore b/.gitignore
index 5d187cf..9b8c49b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 __pycache__/
 _build/
 .tox/
+.cache/
 *.egg-info/
 .coverage
 cffi-*.egg/