code: def get_package_name(self, query: ast.Select):
      params = conditions_to_filter(query.where)
      if "package" not in params:
          raise Exception(
              "Where condition does not have 'package' selector"
          )
      return params["package"]
  
imports: from typing import List
  import pandas
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.handlers.utilities.query_utilities import SELECTQueryExecutor, SELECTQueryParser
  from mindsdb.integrations.libs.api_handler import APIHandler, APITable
  from mindsdb.integrations.utilities.sql_utils import conditions_to_filter
label_desc: Use image node_id 5 for calling the CustomAPITable obj's underlying member method code with example usage: obj.get_package_name(query) and returns: params