Problem:start RPC server in Pynq-Z1

when i builded VTA RPC server in Pynq, got this question. followed this tutorials https://tvm.apache.org/docs/vta/install.html and in this part Pynq-Side RPC Server Build & Deployment

xilinx@pynq:~/tvm$ sudo ./apps/vta_rpc/start_rpc_server.sh [sudo] password for xilinx: Traceback (most recent call last): File “/usr/lib/python3.6/runpy.py”, line 183, in _run_module_as_main mod_name, mod_spec, code = _get_module_details(mod_name, _Error) File “/usr/lib/python3.6/runpy.py”, line 109, in _get_module_details import(pkg_name) File “/home/xilinx/tvm/vta/python/vta/init.py”, line 27, in from .bitstream import get_bitstream_path, download_bitstream File “/home/xilinx/tvm/vta/python/vta/bitstream.py”, line 24, in from .environment import get_env File “/home/xilinx/tvm/vta/python/vta/environment.py”, line 318, in tvm.ir.register_op_attr(“tir.vta.coproc_sync”, “TCallEffectKind”, tvm.tir.CallEffectKind.Opaque) File “/home/xilinx/tvm/python/tvm/ir/op.py”, line 114, in register_op_attr return _register(value) if value is not None else _register File “/home/xilinx/tvm/python/tvm/ir/op.py”, line 112, in _register _ffi_api.RegisterOpAttr(op_name, attr_key, v, level) AttributeError: module ‘tvm.ir._ffi_api’ has no attribute ‘RegisterOpAttr’

I meet same error, are you use pynq image v2.4?

NO, i used image pynq image v2.5