Ignore .cache, which is a by-product of certain py.test runs.

Guido van Rossum · Guido van Rossum · commit e7ddab1acf44 · 2016-07-28T14:01:34.000-07:00
diff --git a/.gitignore b/.gitignore
@@ -11,6 +11,7 @@ docs/build/
 .venv/
 .mypy_cache/
 .incremental_checker_cache.json
+.cache
 
 # Packages
 *.egg
