Merge pull request #9736 from nathanielmanistaatgoogle/sanity

Sanity improvements.

.gitignore

@@ -9,6 +9,7 @@ objs
 cython_debug/
 python_build/
 python_format_venv/
+python_pylint_venv/
 .coverage*
 .eggs
 htmlcov/

tools/distrib/yapf_code.sh

@@ -53,7 +53,7 @@ for dir in $DIRS; do
   tempdir=`mktemp -d`
   cp -RT $dir $tempdir
   $PYTHON -m yapf -i -r -p $exclusion_args $dir
-  if ! diff -rq $dir $tempdir; then
+  if ! diff -r $dir $tempdir; then
     script_result=1
   fi
   rm -rf $tempdir