New release (#811)

* lazy import nltk

* lazy import cv2

* lazy import cv2

* Update nlp.py

* Update package_info.py

Author: zsdonghao

tensorlayer/nlp.py

@@ -19,8 +19,9 @@
 from tensorflow.python.platform import gfile
 
 import tensorlayer as tl
+from tensorlayer.lazy_imports import LazyImport
 
-import nltk
+nltk = LazyImport("nltk")
 
 __all__ = [
     'generate_skip_gram_batch',

tensorlayer/package_info.py

@@ -3,7 +3,7 @@
 """Deep learning and Reinforcement learning library for Researchers and Engineers"""
 
 # Use the following formatting: (major, minor, patch, prerelease)
-VERSION = (1, 9, 1, "")
+VERSION = (1, 10, 0, "rc0")
 __shortversion__ = '.'.join(map(str, VERSION[:3]))
 __version__ = '.'.join(map(str, VERSION[:3])) + "".join(VERSION[3:])
 
@@ -16,4 +16,4 @@
 __description__ = 'Reinforcement Learning and Deep Learning Library for Researcher and Engineer.'
 __license__ = 'apache'
 __keywords__ = 'deep learning, machine learning, computer vision, nlp, '
-__keywords__ += 'supervised learning, unsupervised learning, reinforcement learning, tensorflow'
+__keywords__ += 'supervised learning, unsupervised learning, reinforcement learning, tensorflow'

tensorlayer/prepro.py

@@ -28,9 +28,9 @@
 from skimage.morphology import binary_erosion as _binary_erosion
 
 from six.moves import range
-
+from tensorlayer.lazy_imports import LazyImport
 import PIL
-import cv2  #TODO Remove
+cv2 = LazyImport("cv2")
 import math
 import random
 

tensorlayer/visualize.py

@@ -8,8 +8,8 @@
 import numpy as np
 
 import tensorlayer as tl
-
-import cv2
+from tensorlayer.lazy_imports import LazyImport
+cv2 = LazyImport("cv2")
 
 # Uncomment the following line if you got: _tkinter.TclError: no display name and no $DISPLAY environment variable
 # import matplotlib