import MNN时报错：

initMNN: init numpy failed

解决方法：

pip uninstall numpy

pip install numpy

报警：
D:\Anaconda3\lib\site-packages\numpy_distributor_init.py:32: UserWarning: loaded more than 1 DLL from .libs:
D:\Anaconda3\lib\site-packages\numpy.libs\libopenblas.WCDJNK7YVMPZQ2ME2ZZHJJRJ3JIKNDB7.gfortran-win_amd64.dll
D:\Anaconda3\lib\site-packages\numpy.libs\libopenblas.XWYDX2IKJW2NMTWSFYNGFUWKQU3LYTCZ.gfortran-win_amd64.dll

mnn编译成功标志：

Start to Convert Other Model Format To MNN Model...
[22:16:38] :30: ONNX Model ir version: 4
Start to Optimize the MNN Net...
inputTensors : [ images, ]
outputTensors: [ output, ]
Converted Success!

但是，即使这样，mnn推理还有可能报错

导出失败：

Start to Convert Other Model Format To MNN Model...
[22:19:55] :30: ONNX Model ir version: 4
Start to Optimize the MNN Net...
inputTensors : [ images, ]
outputTensors: [ Transpose156, ]
Converted Success!