code: def normalize_sequence(cfg, sequence):
      if sequence.start is None:
          sequence.start = 1
      return sequence
  
imports: from sqlalchemy import inspect
  from sqlalchemy import Integer
  from ...None import create_engine
  from ...None import exc
  from ...schema import Column
  from ...schema import DropConstraint
  from ...schema import ForeignKeyConstraint
  from ...schema import MetaData
  from ...schema import Table
  from ...testing.provision import create_db
  from ...testing.provision import drop_all_schema_objects_pre_tables
  from ...testing.provision import drop_db
  from ...testing.provision import generate_driver_url
  from ...testing.provision import get_temp_table_name
  from ...testing.provision import log
  from ...testing.provision import normalize_sequence
  from ...testing.provision import run_reap_dbs
  from ...testing.provision import temp_table_keyword_args
label_desc: Use image node_id 9 for calling a global function with example usage: normalize_sequence(cfg, sequence) and returns: sequence