Revision of importer
pickle files
pickle files
pickle files
pickle files
pickle files
pickle files
pickle files
pickle files
Revert "pickle files"

This reverts commit c0656c51eb7ff98788f0f083c1f1caa242f7c48d.
Revert "Revert "pickle files""

This reverts commit ea8a9f412481020cc2c1fc9ef7af3f187f9fe4d0.
Revert "pickle files"

This reverts commit c0656c51eb7ff98788f0f083c1f1caa242f7c48d.
pickle files deleted