40:1: F401 'bibconvert' imported but unused
43:1: F401 'get_fieldcodes' imported but unused
239:5: F841 local variable 'operator' is assigned to but never used
245:5: F841 local variable 'modify' is assigned to but never used
248:5: F841 local variable 'search_mode' is assigned to but never used
250:5: F841 local variable 'clean' is assigned to but never used
255:5: F841 local variable 'fuzzy' is assigned to but never used
256:5: F841 local variable 'ascii_mode' is assigned to but never used
304:13: F841 local variable 'sleeptime' is assigned to but never used