[VTA] Workaround for Autotuning with One PYNQ Z1 Board

[hht]

I found the problem had been reported a year before.

[AutoTVM] Cannot get remote devices from tracker

Hello, I’m trying to autotune my CNN to run on PYNQ FPGA using this tutorial. I get the following error when I run the code: File "autotune.py", line 256, in <module> tune_and_evaluate(tuning_option) File "autotune.py", line 214, in tune_and_evaluate tune_tasks(tasks, **tuning_opt) File "autotune.py", line 138, in tune_tasks autotvm.callback.log_to_file(tmp_log_file)]) File "/home/youn/.local/lib/python3.6/site-packages/tvm-0.6.dev0-py3.6-linux-x86_64.egg/tvm/autotvm/tuner/tu…

cc @youn123 @diamantopoulos @zhanghaohit @ffffc