Merge pull request #46 from fsareshwala/fsareshwala/ignore-pycache

gitignore: ignore pycache directories
diff --git a/.gitignore b/.gitignore
index ac51a05..972d59f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 bazel-*
+__pycache__