Merge pull request #222 from shnizzedy/fix/pathlib

FIX: Use standard library `pathlib`

Author: effigies

setup.cfg

@@ -27,7 +27,6 @@ install_requires =
     scipy >= 1.6.0
     nibabel >= 3.0
     h5py
-    pathlib
 test_requires =
     pytest
     pytest-cov