code: def schema_equal(schema_a, schema_b):
      create_tables_a = parse_create_tables(schema_a)
      create_tables_b = parse_create_tables(schema_b)
      assert create_tables_a != []
      assert create_tables_b != []
      return create_tables_a == create_tables_b
  
imports: import difflib
  import re
  from collections import namedtuple
  from pathlib import Path
  import pytest
  import sqlalchemy
  from packaging.version import Version
  from sqlalchemy import create_engine
  from sqlalchemy.schema import CreateTable, MetaData
  import mlflow
  from mlflow.environment_variables import MLFLOW_TRACKING_URI
label_desc: Use image node_id 5 for calling a global function with example usage: schema_equal(schema_a, schema_b) and returns: unknown