Fix indentation

samples/dnn/human_parsing.py

 #!/usr/bin/env python
 '''
-    You can download the converted pb model from https://www.dropbox.com/s/qag9vzambhhkvxr/lip_jppnet_384.pb?dl=0
-    or convert the model yourself.
+You can download the converted pb model from https://www.dropbox.com/s/qag9vzambhhkvxr/lip_jppnet_384.pb?dl=0
+or convert the model yourself.
 
-    Follow these steps if you want to convert the original model yourself:
+Follow these steps if you want to convert the original model yourself:
     To get original .meta pre-trained model download https://drive.google.com/file/d/1BFVXgeln-bek8TCbRjN6utPAgRE0LJZg/view
     For correct convert .meta to .pb model download original repository https://github.com/Engineering-Course/LIP_JPPNet
     Change script evaluate_parsing_JPPNet-s2.py for human parsing