Python3 import mxnet and nnvm.compiler caused core dumped

[sherwinkh]

I got this error:

root@firefly:/home/face/env/tvm/nnvm/python# python
Python 3.5.2 (default, Nov 12 2018, 13:43:14)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mxnet
>>> exit()
root@firefly:/home/face/env/tvm/nnvm/python# python
Python 3.5.2 (default, Nov 12 2018, 13:43:14)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import nnvm.compiler
>>> exit()
root@firefly:/home/face/env/tvm/nnvm/python# python
Python 3.5.2 (default, Nov 12 2018, 13:43:14)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import mxnet
>>> import nnvm.compiler
terminate called after throwing an instance of 'dmlc::Error'
what(): [08:41:12] /home/face/env/tvm/nnvm/include/nnvm/op.h:473: Check failed: pmap->type() == typeid(OpMap): Attribute FInferShape of operator multibox_prior is registered as inconsistent types previously N4nnvm5OpMapISt8functionIFbRKNS_9NodeAttrsEPSt6vectorIN5mxnet6TShapeESaIS7_EESA_EEEE current N4nnvm5OpMapISt8functionIFbRKNS_9NodeAttrsEPSt6vectorINS_6TShapeESaIS6_EES9_EEEE
Stack trace:
[bt] (0) /usr/local/lib/python3.5/dist-packages/tvm-0.6.dev0-py3.5-linux-armv7l.egg/tvm/libtvm.so(dmlc::LogMessageFatal::~LogMessageFatal()+0x25) [0xa9989c9e]
[bt] (1) /home/face/env/tvm/nnvm/python/nnvm/../../../build/libnnvm_compiler.so(nnvm::Op& nnvm::Op::set_attr<std::function<bool (nnvm::NodeAttrs const&, std::vector<nnvm::TShape, std::allocatornnvm::TShape >, std::vector<nnvm::TShape, std::allocatornnvm::TShape >)> >(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<bool (nnvm::NodeAttrs const&, std::vector<nnvm::TShape, std::allocatornnvm::TShape >, std::vector<nnvm::TShape, std::allocatornnvm::TShape >)> const&, int)::{lambda(dmlc::any*)#1}::operator()(dmlc::any*) const+0xef) [0xa7f459fc]
[bt] (2) /home/face/env/tvm/nnvm/python/nnvm/../../../build/libnnvm_compiler.so(nnvm::Op::UpdateAttrMap(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<void (dmlc::any*)>)+0x91) [0xa7ecff4a]
[bt] (3) /home/face/env/tvm/nnvm/python/nnvm/../../../build/libnnvm_compiler.so(nnvm::Op& nnvm::Op::set_attr<std::function<bool (nnvm::NodeAttrs const&, std::vector<nnvm::TShape, std::allocatornnvm::TShape >, std::vector<nnvm::TShape, std::allocatornnvm::TShape >)> >(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<bool (nnvm::NodeAttrs const&, std::vector<nnvm::TShape, std::allocatornnvm::TShape >, std::vector<nnvm::TShape, std::allocatornnvm::TShape >)> const&, int)+0xfd) [0xa7f41ea6]
[bt] (4) /home/face/env/tvm/nnvm/python/nnvm/../../../build/libnnvm_compiler.so(+0x86292) [0xa7e97292]
[bt] (5) /lib/ld-linux-armhf.so.3(+0xb8bc) [0xb6f9f8bc]

Aborted (core dumped)
root@firefly:/home/face/env/tvm/nnvm/python# python
Python 3.5.2 (default, Nov 12 2018, 13:43:14)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import nnvm.compiler
>>> import mxnet
terminate called after throwing an instance of 'dmlc::Error'
what(): [08:41:26] ../include/nnvm/op.h:473: Check failed: pmap->type() == typeid(OpMap): Attribute FInferShape of operator _CachedOp is registered as inconsistent types previously N4nnvm5OpMapISt8functionIFbRKNS_9NodeAttrsEPSt6vectorINS_6TShapeESaIS6_EES9_EEEE current N4nnvm5OpMapISt8functionIFbRKNS_9NodeAttrsEPSt6vectorIN5mxnet6TShapeESaIS7_EESA_EEEE
Stack trace:
[bt] (0) /usr/local/lib/python3.5/dist-packages/tvm-0.6.dev0-py3.5-linux-armv7l.egg/tvm/libtvm.so(dmlc::LogMessageFatal::~LogMessageFatal()+0x25) [0xae577c9e]
[bt] (1) /root/mxnet/python/mxnet/../../build/libmxnet.so(nnvm::Op& nnvm::Op::set_attr<std::function<bool (nnvm::NodeAttrs const&, std::vector<mxnet::TShape, std::allocatormxnet::TShape >, std::vector<mxnet::TShape, std::allocatormxnet::TShape >)> >(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<bool (nnvm::NodeAttrs const&, std::vector<mxnet::TShape, std::allocatormxnet::TShape >, std::vector<mxnet::TShape, std::allocatormxnet::TShape >)> const&, int)::{lambda(dmlc::any*)#1}::operator()(dmlc::any*) const+0xef) [0xaad3ee5c]
[bt] (2) /root/mxnet/python/mxnet/../../build/libmxnet.so(nnvm::Op::UpdateAttrMap(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<void (dmlc::any*)>)+0x101) [0xac1da90e]
[bt] (3) /root/mxnet/python/mxnet/../../build/libmxnet.so(nnvm::Op& nnvm::Op::set_attr<std::function<bool (nnvm::NodeAttrs const&, std::vector<mxnet::TShape, std::allocatormxnet::TShape >, std::vector<mxnet::TShape, std::allocatormxnet::TShape >)> >(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<bool (nnvm::NodeAttrs const&, std::vector<mxnet::TShape, std::allocatormxnet::TShape >, std::vector<mxnet::TShape, std::allocatormxnet::TShape >)> const&, int)+0xfb) [0xaad34708]
[bt] (4) /root/mxnet/python/mxnet/../../build/libmxnet.so(+0x5424bc) [0xaac594bc]
[bt] (5) /lib/ld-linux-armhf.so.3(+0xb8bc) [0xb6f138bc]

Aborted (core dumped)

someone can help?