def adjust_learning_rate()

in train.py [0:0]

• 8 lines of code
• 4 McCabe index (conditional complexity)

def adjust_learning_rate(optimizer, epoch):
    """decrease the learning rate at 100 and 150 epoch"""
    lr = args.lr
    if epoch >= 100:
        lr /= 10
    if epoch >= 150:
        lr /= 10
    for param_group in optimizer.param_groups:
        param_group['lr'] = lr