"UTF-8"->utf-8; humanize_time_delta print warning when negative (fix #741)

examples/CaffeModels/load-alexnet.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: load-alexnet.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/CaffeModels/load-cpm.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: load-cpm.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/CaffeModels/load-vgg16.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: load-vgg16.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/CaffeModels/load-vgg19.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: load-vgg19.py
 
 from __future__ import print_function

examples/DisturbLabel/svhn-disturb.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: svhn-disturb.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/DoReFa-Net/alexnet-dorefa.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: alexnet-dorefa.py
 # Author: Yuxin Wu, Yuheng Zou ({wyx,zyh}@megvii.com)
 

examples/DoReFa-Net/resnet-dorefa.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: resnet-dorefa.py
 
 import cv2

examples/DoReFa-Net/svhn-digit-dorefa.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: svhn-digit-dorefa.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/HED/hed.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: hed.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/ImageNetModels/inception-bn.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: inception-bn.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/ImageNetModels/shufflenet.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: shufflenet.py
 
 import argparse

examples/ImageNetModels/vgg16.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: vgg16.py
 
 import argparse

examples/ResNet/cifar10-preact18-mixup.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: cifar10-preact18-mixup.py
 # Author: Tao Hu <taohu620@gmail.com>,  Yauheni Selivonchyk <y.selivonchyk@gmail.com>
 

examples/ResNet/cifar10-resnet.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: cifar10-resnet.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

examples/ResNet/load-resnet.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: load-resnet.py
 # Author: Eric Yujia Huang <yujiah1@andrew.cmu.edu>
 #         Yuxin Wu <ppwwyyxx@gmail.com>

examples/Saliency/CAM-resnet.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: CAM-resnet.py
 
 import cv2

examples/basics/cifar-convnet.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: cifar-convnet.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 import tensorflow as tf

examples/basics/svhn-digit-convnet.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: svhn-digit-convnet.py
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 

scripts/dump-model-params.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: dump-model-params.py
 # Author: Yuxin Wu <ppwwyyxx@gmail.com>
 

tensorpack/callbacks/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 

tensorpack/callbacks/base.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: base.py
 
 

tensorpack/callbacks/group.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: group.py
 
 

tensorpack/callbacks/inference.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: inference.py
 
 

tensorpack/callbacks/param.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: param.py
 
 

tensorpack/callbacks/saver.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: saver.py
 
 

tensorpack/dataflow/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/dataflow/base.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: base.py
 
 

tensorpack/dataflow/dataset/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/dataflow/dataset/cifar.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: cifar.py
 
 #         Yukun Chen <cykustc@gmail.com>

tensorpack/dataflow/dataset/mnist.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: mnist.py
 
 

tensorpack/dataflow/dataset/svhn.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: svhn.py
 
 

tensorpack/dataflow/dftools.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: dftools.py
 
 

tensorpack/dataflow/image.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: image.py
 
 

tensorpack/dataflow/imgaug/__init__.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/dataflow/imgaug/_test.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: _test.py
 
 

tensorpack/dataflow/imgaug/base.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: base.py
 
 

tensorpack/dataflow/imgaug/crop.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: crop.py
 
 

tensorpack/dataflow/imgaug/deform.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: deform.py
 
 

tensorpack/dataflow/imgaug/imgproc.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: imgproc.py
 
 

tensorpack/dataflow/imgaug/misc.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: misc.py
 
 

tensorpack/dataflow/parallel.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: parallel.py
 
 import sys

tensorpack/graph_builder/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/graph_builder/model_desc.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: model_desc.py
 
 

tensorpack/input_source/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/models/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/models/_test.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: _test.py
 
 

tensorpack/models/batch_norm.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: batch_norm.py
 
 

tensorpack/models/conv2d.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: conv2d.py
 
 

tensorpack/models/fc.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: fc.py
 
 

tensorpack/models/image_sample.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: image_sample.py
 
 

tensorpack/models/nonlin.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: nonlin.py
 
 

tensorpack/models/pool.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: pool.py
 
 import tensorflow as tf

tensorpack/models/registry.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: registry.py
 
 

tensorpack/models/regularize.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: regularize.py
 
 

tensorpack/predict/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/tfutils/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 

tensorpack/tfutils/common.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: common.py
 
 

tensorpack/tfutils/export.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: export.py
 # Author: Patrick Wieschollek <mail@patwie.com>
 

tensorpack/tfutils/gradproc.py

 #!/usr/bin/env python
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: gradproc.py
 
 

tensorpack/tfutils/model_utils.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: model_utils.py
 # Author: tensorpack contributors
 

tensorpack/tfutils/sessinit.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: sessinit.py
 
 

tensorpack/tfutils/summary.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: summary.py
 
 
@@ -70,7 +70,7 @@ def create_image_summary(name, val):
     s = tf.Summary()
     for k in range(n):
         arr = val[k]
-        #CV2 will only write correctly in BGR chanel order
+        # CV2 will only write correctly in BGR chanel order
         if c == 3:
             arr = cv2.cvtColor(arr, cv2.COLOR_RGB2BGR)
         elif c == 4:

tensorpack/tfutils/symbolic_functions.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: symbolic_functions.py
 
 

tensorpack/train/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 # https://github.com/celery/kombu/blob/7d13f9b95d0b50c94393b962e6def928511bfda6/kombu/__init__.py#L34-L36

tensorpack/trainv1/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 

tensorpack/trainv1/simple.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: simple.py
 
 

tensorpack/utils/__init__.py

-#  -*- coding: UTF-8 -*-
+#  -*- coding: utf-8 -*-
 #  File: __init__.py
 
 

tensorpack/utils/concurrency.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: concurrency.py
 
 # Credit belongs to Xinyu Zhou

tensorpack/utils/logger.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: logger.py
 
 

tensorpack/utils/naming.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: naming.py
 
 

tensorpack/utils/stats.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: stats.py
 
 import numpy as np

tensorpack/utils/utils.py

-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 # File: utils.py
 
 
@@ -10,6 +10,8 @@ from datetime import datetime, timedelta
 from tqdm import tqdm
 import numpy as np
 
+from . import logger
+
 
 __all__ = ['change_env',
            'get_rng',
@@ -41,7 +43,9 @@ def humanize_time_delta(sec):
         print(humanize_time_delta(60 * 60 * 24 + 1))                    # 1 day 1 second
         print(humanize_time_delta(60 * 60 * 24 + 60 * 2 + 60*60*9 + 3)) # 1 day 9 hours 2 minutes 3 seconds
     """
-    assert sec >= 0, sec
+    if sec < 0:
+        logger.warn("humanize_time_delta() obtains negative seconds!")
+        return "{:.3g} seconds".format(sec)
     if sec == 0:
         return "0 second"
     time = datetime(2000, 1, 1) + timedelta(seconds=int(sec))