MAINT: removal of unneeded imports

src/caoscrawler/crawl.py

@@ -32,35 +32,30 @@ the acuired data with CaosDB.
 from __future__ import annotations
 
 import argparse
-import importlib
 import logging
 import os
 import sys
 import uuid
 import warnings
 from argparse import RawTextHelpFormatter
-from collections import defaultdict
 from copy import deepcopy
 from datetime import datetime
 from enum import Enum
-from typing import Any, Optional, Type, Union
+from typing import Any, Optional, Union
 
 import caosdb as db
 import yaml
-from caosadvancedtools.cache import Cache, UpdateCache
+from caosadvancedtools.cache import UpdateCache
 from caosadvancedtools.crawler import Crawler as OldCrawler
 from caosadvancedtools.serverside.helper import send_mail
 from caosadvancedtools.utils import create_entity_link
 from caosdb.apiutils import (EntityMergeConflictError, compare_entities,
                              merge_entities)
 from caosdb.cached import cache_clear, cached_get_entity_by
-from caosdb.common.datatype import is_reference
 from caosdb.exceptions import EmptyUniqueQueryError
-from importlib_resources import files
-from jsonschema import validate
 
 from .config import get_config_setting
-from .converters import Converter, ConverterValidationError, DirectoryConverter
+from .converters import Converter, ConverterValidationError
 from .debug_tree import DebugTree
 from .identifiable import Identifiable
 from .identifiable_adapters import (CaosDBIdentifiableAdapter,
@@ -71,9 +66,8 @@ from .logging import configure_server_side_logging
 from .macros import defmacro_constructor, macro_constructor
 from .scanner import (create_converter_registry, initialize_converters,
                       load_definition, scan_directory, scan_structure_elements)
-from .stores import GeneralStore, RecordStore
-from .structure_elements import Directory, NoneElement, StructureElement
-from .version import check_cfood_version
+from .stores import GeneralStore
+from .structure_elements import StructureElement
 
 logger = logging.getLogger(__name__)