vandanavk commented on a change in pull request #14942: ONNX export: Slice op - 
Handle None value for ends
URL: https://github.com/apache/incubator-mxnet/pull/14942#discussion_r362652961
 
 

 ##########
 File path: python/mxnet/contrib/onnx/mx2onnx/_op_translations.py
 ##########
 @@ -1499,17 +1500,19 @@ def convert_slice_axis(node, **kwargs):
 
     axes = int(attrs.get("axis"))
     starts = int(attrs.get("begin"))
-    ends = int(attrs.get("end", None))
-    if not ends:
-        raise ValueError("Slice: ONNX doesnt't support 'None' in 'end' 
attribute")
+    ends = attrs.get("end", None)
+    if not ends or ends == 'None':
+        # ONNX doesn't support None for ends. Since ends=None depicts
 
 Review comment:
   @anirudhacharya fixed this. the latest commit does not map None to INT_MAX

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