areusch commented on a change in pull request #6703:
URL: https://github.com/apache/incubator-tvm/pull/6703#discussion_r510372998



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File path: python/tvm/micro/contrib/zephyr.py
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@@ -40,6 +38,7 @@
 from ..transport import debug
 from ..transport import file_descriptor
 
+from ..transport import serial

Review comment:
       Zephyr support was previously merged in #6603. this file adds a 
serial-specific transport, which is useful only when running Zephyr against 
real hardware. the VM "enables" this in TVM by providing a standardized 
developer environment. it's still possible to use this outside the VM, too, but 
I think for the purposes of reproducing bugs, we will prefer to use the VM as a 
reference where possible.




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