Started addressing some PR comments

cps/admin.py

@@ -41,7 +41,6 @@ from sqlalchemy.exc import IntegrityError, OperationalError, InvalidRequestError
 from sqlalchemy.sql.expression import func, or_, text
 
 from . import constants, logger, helper, services, isoLanguages, fs
-from .cli import filepicker
 from . import db, calibre_db, ub, web_server, get_locale, config, updater_thread, babel, gdriveutils
 from .helper import check_valid_domain, send_test_mail, reset_password, generate_password_hash, check_email, \
     valid_email, check_username