style: Fix lint issues

Author: Alan Christie

README.rst

@@ -22,8 +22,8 @@ The following utilities are available: -
 - ``DmLog.emit_cost()``
 
 A number of miscellaneous utilities are also included. These have been
-extracted form the squonk2 virtual-screening ``utils.py`` module and renamed
-and reformatted here into ``misc.py`
+extracted form the squonk2 virtual-screening ``utils.py`` module and moved
+here into ``utils.py``.
 
 Installation (Python)
 =====================

dm_job_utilities/utils.py

@@ -15,7 +15,6 @@
 
 import os
 import sys
-from math import log10, floor
 from typing import Any, List, Optional, Tuple