Simplify find expression, and remove tabs

demo/virtualenv.sh

@@ -16,16 +16,16 @@ create() {
}

under-bash() {
	# You can see PS1 change here.
	bash -i <<EOF
  # You can see PS1 change here.
  bash -i <<EOF
source $DIR/bin/activate
echo DONE
EOF
}

# Hm there seem to be multiple things that don't work here.
under-osh() {
	bin/osh -i <<EOF
  bin/osh -i <<EOF
source $DIR/bin/activate
echo DONE
EOF

test/lint.sh

@@ -61,10 +61,9 @@ bin-pep8() {
# Language independent
find-src() {
  # benchmarks/testdata should be excluded
  find . '(' -name _tmp \
          -o -name _chroot \
          -o -name _deps \
          -o -name _devbuild \
  # excluding _build, _devbuild.  Although it might be OK to test generated
  # code for tabs.
  find . '(' -type d -a -name '_*' \
          -o -name testdata \
          -o -name $PY27 \
         ')' -a -prune \