def validate_context(<EOL>self, context: Mapping[str, Any]<EOL>) -> Tuple[bool, List[Tuple[str, str]]]:
url = f'<STR_LIT>'<EOL>res = requests.get(url)<EOL>if res.status_code == <NUM_LIT:200>:<EOL><INDENT>return (True, [])<EOL><DEDENT>else:<EOL><INDENT>return (False, [("<STR_LIT>", f'<STR_LIT>')])<EOL><DEDENT>
Validate context

        Args:
            context (Mapping[str, Any]): context dictionary of type, id and label

        Returns:
            Tuple[bool, List[Tuple[str, str]]]:
                bool: Is valid?  Yes = True, No = False
                List[Tuple[str, str]]: Validation issues, empty if valid, tuple is ('ERROR|WARNING', msg)
                    e.g. [('WARNING', "Context ID not found")]