MAINT: remove unused imports

src/caosadvancedtools/cfood.py

@@ -34,16 +34,10 @@ match. This occurs in basically three steps:
 3. the identifiables are update based on the date in the file structure
 """
 
-import argparse
 import re
-from argparse import RawTextHelpFormatter
-from copy import deepcopy
-from datetime import datetime
 
 import caosdb as db
 
-from caosadvancedtools.cache import Cache
-
 ENTITIES = {}