maybe not finding right folder
import os
import subprocess
import logging
+import porespy as ps
-rootdir = os.path.split(os.path.split(os.getcwd())[0])[0]
+rootdir = os.path.split(os.path.split(ps.__file__)[0])[0]
examples_dir = os.path.join(rootdir, 'examples')
filters_dir = os.path.join(examples_dir, 'filters')
metrics_dir = os.path.join(examples_dir, 'metrics')
