minor change

train_tongue_diagnosis.py

@@ -27,6 +27,9 @@ parser.add_argument('--schedule', type=int, nargs='+', default=[100, 150],
 parser.add_argument('--gamma', type=float, default=0.1, help='LR is multiplied by gamma on schedule.')
 parser.add_argument('--model_dir', default='dnn_models/tongue_modes/', help='directory of model for saving checkpoint')
 parser.add_argument('--save_freq', '-s', default=1, type=int, metavar='N', help='save frequency')
+parser.add_argument('--log_interval', type=int, default=100, metavar='N',
+                    help='how many batches to wait before logging training status')
+
 args = parser.parse_args()
 
 NUM_CLASSES = 7