Merge branch 'pylint-fixes' into 'master'

Fixed unused imports

See merge request openflexure/openflexure-microscope-server!98

openflexure_microscope/api/default_extensions/scan.py

@@ -1,5 +1,4 @@
 import datetime
-import itertools
 import logging
 import time
 import uuid

openflexure_microscope/utilities.py

@@ -1,11 +1,8 @@
 import base64
 import copy
 import logging
-import operator
 import time
-from collections import abc
 from contextlib import contextmanager
-from functools import reduce
 from uuid import UUID
 
 import numpy as np