Add pytest cache to the .gitignore (#4684)

emmatyping · gvanrossum · commit c646d623b565 · 2018-03-06T07:18:49.000-08:00
diff --git a/.gitignore b/.gitignore
@@ -29,3 +29,6 @@ dmypy.json
 # Coverage Files
 htmlcov
 .coverage*
+
+# pytest cache
+.pytest_cache/
