Merge branch 'lxy/demo' into 'master'

Add demo gif at readme

See merge request open-mmlab/mmaction-lite!297

README.md

@@ -6,6 +6,10 @@
 - Support python version: (To add badge)
 - Pypi package: (To add badge)
 
+<div align="left">
+  <img src="demo/demo.gif" width="600px"/>
+</div>
+
 ## Introduction
 
 The master branch works with **PyTorch 1.3+**.

demo/demo.py

@@ -2,7 +2,7 @@ import argparse
 
 import torch
 
-from mmaction.core import inference_recognizer, init_recognizer
+from mmaction.apis import inference_recognizer, init_recognizer
 
 
 def parse_args():