update

Signed-off-by: junjie.jiang <junjie.jiang@zilliz.com>

video_decoder.py

@@ -3,12 +3,12 @@ import av
 import numpy as np
 from towhee.operator.base import PyOperator
 
-from cpu_decode import PyAVDecode
+from .cpu_decode import PyAVDecode
 
 logger = logging.getLogger()
 
 try:
-    from gpu_decode import VPFDecode
+    from .gpu_decode import VPFDecode
 except Exception:
     logger.error('Import GPUDecoder failed, use CPU decode')
     VPFDecode = PyAVDecode