update the readme.

Signed-off-by: wxywb <xy.wang@zilliz.com>

README.md

@@ -18,28 +18,19 @@ This operator generates the caption with [MAGIC](https://arxiv.org/abs/2205.0265
 
 Load an image from path './image.jpg' to generate the caption. 
 
- *Write the pipeline in simplified style*:
+*Write a pipeline with explicit inputs/outputs name specifications:*
 
 ```python
-import towhee
+from towhee.dc2 import pipe, ops, DataCollection
 
-towhee.glob('./image.jpg') \
-      .image_decode() \
-      .image_captioning.magic(model_name='magic_mscoco') \
-      .show()
-```
-<img src="./cap.png" alt="result1" style="height:20px;"/>
-
-*Write a same pipeline with explicit inputs/outputs name specifications:*
-
-```python
-import towhee
+p = (
+    pipe.input('url')
+    .map('url', 'img', ops.image_decode.cv2_rgb())
+    .map('img', 'text', ops.image_captioning.magic(model_name='magic_mscoco')) 
+    .output('img', 'text')
+)
 
-towhee.glob['path']('./image.jpg') \
-      .image_decode['path', 'img']() \
-      .image_captioning.magic['img', 'text'](model_name='magic_mscoco') \
-      .select['img', 'text']() \
-      .show()
+DataCollection(p('./image.jpg')).show()
 ``` 
 <img src="./tab.png" alt="result2" style="height:60px;"/>
 

magic.py

@@ -40,7 +40,7 @@ class Magic(NNOperator):
         sys.path.append(path + '/clip')
         sys.path.append(path + '/language_model')
         print(sys.path)
-        from clip import CLIP
+        from _clip import CLIP
         from simctg import SimCTG
         sys.path.pop()
         sys.path.pop()