Fix pip import and docs (#96)

* fix import and docs

README.md

@@ -98,6 +98,7 @@ GAN--生成对抗网络，被“卷积网络之父”**Yann LeCun（杨立昆）
 <div align='center'>
   <img src='./docs/imgs/qq.png'width='250' height='300'/>
 </div>
+
 ### PaddleGAN 特别兴趣小组（Special Interest Group）
 
 最早于1961年被[ACM（Association for Computing Machinery)](https://en.wikipedia.org/wiki/Association_for_Computing_Machinery)首次提出并使用，国际顶尖开源组织包括[Kubernates](https://kubernetes.io/)都采用SIGs的形式，使拥有同样特定兴趣的成员可以共同分享、学习知识并进行项目开发。这些成员不需要在同一国家/地区、同一个组织，只要大家志同道合，都可以奔着相同的目标一同学习、工作、玩耍~

docs/en_US/data_prepare.md

@@ -90,3 +90,5 @@ facades
 ├── train
 └── val
 ```
+
+![](../imgs/1.jpg)

docs/zh_CN/data_prepare.md

@@ -92,3 +92,5 @@ facades
 ├── train
 └── val
 ```
+
+![](../imgs/1.jpg)

ppgan/__init__.py

+#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.

ppgan/engine/__init__.py

+#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.

ppgan/faceutils/dlibutils/dlib_utils.py

@@ -19,10 +19,17 @@ from PIL import Image
 import dlib
 import cv2
 from ..image import resize_by_max
+from ppgan.utils.logger import get_logger
+logger = get_logger()
 
 detector = dlib.get_frontal_face_detector()
-predictor = dlib.shape_predictor(
+
+try:
+    predictor = dlib.shape_predictor(
         osp.split(osp.realpath(__file__))[0] + '/lms.dat')
+except Exception as e:
+    predictor = None
+    logger.warning(e)
 
 
 def detect(image: Image):

ppgan/metric/__init__.py

+#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.

ppgan/modules/__init__.py

+#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.

ppgan/utils/__init__.py

+#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.