refactor

scripts/python-rm-cache.sh

@@ -1,7 +1,9 @@
 #!/bin/sh
 set -f
 for i ; do
-    find "$i/" -name __pycache__ -exec rm -rf {} +
-    find "$i/" ! -type d -name '*.py[co]' -exec rm -f {} +
+	[ -n "$i" ] || continue
+	[ -d "$i" ] || continue
+	find "$i/" -name __pycache__ -exec rm -rf {} +
+	find "$i/" ! -type d -name '*.py[co]' -exec rm -f {} +
 done
 exit 0