def read_previous_results():
    try:
        with open(settings.LOAD_TESTS_PATHS['load_previous_tests_results'],
                  'r') as results_file:
            results = jsonutils.load(results_file)
    except (IOError, ValueError):
        results = {}
    return results
Read results of previous run.
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/test/performance/base.py/read_previous_results