class_docstr: The GitHub Releases Table implementation
class_docstr_tok: ["The","GitHub","Releases","Table","implementation"]
code: def check_none(self, val):
      return "" if val is None else val
  
imports: import pandas
  from typing import List
  from mindsdb.integrations.libs.api_handler import APITable
  from mindsdb.integrations.handlers.utilities.query_utilities import SELECTQueryParser, SELECTQueryExecutor
  from mindsdb.integrations.utilities.sql_utils import extract_comparison_conditions
  from mindsdb.utilities import log
  from mindsdb_sql.parser import ast
label_desc: Use image node_id 2 for calling the GithubReleasesTable obj's underlying member method code with example usage: obj.check_none(val) and returns: unknown