change a bit

hpvm/projects/onnx/frontend/graph_builder.py

 import sys
 from onnx import numpy_helper
-from graph_ir import Node
 from tensor import InputTensor, WeightTensor
 
 support_onnx_ops = {"DepthwiseConv" : [2],

hpvm/projects/onnx/frontend/main.py

@@ -41,7 +41,7 @@ def compile(model):
     gCodegen.compile()
 
 def main():
-    model = onnx.load('../models/keras/resnet.onnx')
+    model = onnx.load('../models/keras/lenet.onnx')
     # model = onnx.load('../models/keras/vgg16_cifar10.onnx')
     compile(model)