fix import

pyproject.toml

@@ -0,0 +1,6 @@
+[tool.black]
+line-length = 140
+
+[tool.ruff]
+# Allow lines to be as long as 120.
+line-length = 140

tisbackup.py

@@ -19,7 +19,6 @@
 # -----------------------------------------------------------------------
 import datetime
 import os
-import subprocess
 import sys
 from os.path import isfile, join
 
@@ -28,10 +27,8 @@ sys.path.insert(0,os.path.join(tisbackup_root_dir,'lib'))
 sys.path.insert(0,os.path.join(tisbackup_root_dir,'libtisbackup'))
 
 import errno
-import getopt
 import logging
 import os.path
-import re
 from optparse import OptionParser
 
 from iniparse import ConfigParser, ini