def check_dependencies():

    if not HAS_VIRTUALENV:
        raise Exception('Virtualenv not found. ' + \
                         'Try installing python-virtualenv')
    print 'done.'
Command entry point for stat command.
dataset/ETHPy150Open osrg/ryu/tools/install_venv.py/check_dependencies--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/gsutil/gslib/commands/stat.py/StatCommand.RunCommand