Check whether ``aeneas.tools.*`` can be imported.

        Return ``True`` on failure and ``False`` on success.

        :rtype: bool

def check_tools(cls):
        """
        Check whether ``aeneas.tools.*`` can be imported.

        Return ``True`` on failure and ``False`` on success.

        :rtype: bool
        """
        try:
            from aeneas.tools.convert_syncmap import ConvertSyncMapCLI
            # disabling this check, as it requires the optional dependency youtube-dl
            # COMMENTED from aeneas.tools.download import DownloadCLI
            from aeneas.tools.execute_job import ExecuteJobCLI
            from aeneas.tools.execute_task import ExecuteTaskCLI
            from aeneas.tools.extract_mfcc import ExtractMFCCCLI
            from aeneas.tools.ffmpeg_wrapper import FFMPEGWrapperCLI
            from aeneas.tools.ffprobe_wrapper import FFPROBEWrapperCLI
            # disabling this check, as it requires the optional dependency Pillow
            # COMMENTED from aeneas.tools.plot_waveform import PlotWaveformCLI
            from aeneas.tools.read_audio import ReadAudioCLI
            from aeneas.tools.read_text import ReadTextCLI
            from aeneas.tools.run_sd import RunSDCLI
            from aeneas.tools.run_vad import RunVADCLI
            from aeneas.tools.synthesize_text import SynthesizeTextCLI
            from aeneas.tools.validate import ValidateCLI
            gf.print_success(u"aeneas.tools   OK")
            return False
        except:
            pass
        gf.print_error(u"aeneas.tools   ERROR")
        gf.print_info(u"  Unable to import one or more aeneas.tools")
        gf.print_info(u"  Please check that you installed aeneas properly")
        return True