def check_concurrency(self) -> bool:
if not self.operation.concurrency:  <EOL><INDENT>return True<EOL><DEDENT>ops_count = self.operation.runs.filter(<EOL>status__status__in=self.STATUSES.RUNNING_STATUS).count()<EOL>return ops_count < self.operation.concurrency<EOL>
Checks the concurrency of the operation run.

        Checks the concurrency of the operation run
        to validate if we can start a new operation run.

        Returns:
            boolean: Whether to start a new operation run or not.