Return BGR

Signed-off-by: shiyu22 <shiyu.chen@zilliz.com>

README.md

@@ -94,7 +94,7 @@ Takes in a numpy rgb image in channels first. It transforms input into animated
 
 
 
-**Returns**: *towhee.types.Image (a sub-class of dumpy.ndarray)*
+**Returns**: *towhee.types.Image (a sub-class of numpy.ndarray)*
 
 ​	The new image.
 

animegan.py

@@ -39,4 +39,4 @@ class Animegan(Operator):
         styled_image = numpy.array(styled_image)
         styled_image = styled_image[:, :, ::-1].copy()
 
-        return Image(styled_image, 'RGB')
+        return Image(styled_image, 'BGR')