strange output from kpu.forward

[odwdinc]

Describe the bug
Trying to run custom Object classification model trained @ https://maixhub.com/ModelTraining

To Reproduce
When running the provided boot.py an error in the output of:

img = sensor.snapshot()
fmap = kpu.forward(task, img)
plist=fmap[:]
print(plist)

Expected behavior
plist should be 2 floats

Actual behaviour
plist is = ('//./////, //./////')

Screenshots

MicroPython v0.5.0-98-g7ec09ea22-dirty on 2020-07-21; Sipeed_M1 with kendryte-k210
Type "help()" for more information.
init i2c2
[MAIXPY]: find ov7740
###free gc heap memory : 87 KB
###free sys heap memory: 280 KB
layer[0]: KL_K210_CONV, 1364 bytes
layer[1]: KL_K210_CONV, 1024 bytes
layer[2]: KL_K210_CONV, 2048 bytes
layer[3]: KL_K210_CONV, 1280 bytes
layer[4]: KL_K210_CONV, 5888 bytes
layer[5]: KL_K210_CONV, 2048 bytes
layer[6]: KL_K210_CONV, 10496 bytes
layer[7]: KL_K210_CONV, 2048 bytes
layer[8]: KL_K210_CONV, 20480 bytes
layer[9]: KL_K210_CONV, 3840 bytes
layer[10]: KL_K210_CONV, 38912 bytes
layer[11]: KL_K210_CONV, 3840 bytes
layer[12]: KL_K210_CONV, 77312 bytes
layer[13]: KL_K210_CONV, 6912 bytes
layer[14]: KL_K210_CONV, 151040 bytes
layer[15]: KL_K210_CONV, 6912 bytes
layer[16]: KL_K210_CONV, 151040 bytes
layer[17]: KL_K210_CONV, 6912 bytes
layer[18]: KL_K210_CONV, 151040 bytes
layer[19]: KL_K210_CONV, 6912 bytes
layer[20]: KL_K210_CONV, 151040 bytes
layer[21]: KL_K210_CONV, 6912 bytes
layer[22]: KL_K210_CONV, 151040 bytes
layer[23]: KL_K210_CONV, 6912 bytes
layer[24]: KL_K210_CONV, 301568 bytes
layer[25]: KL_K210_CONV, 13568 bytes
layer[26]: KL_K210_CONV, 596480 bytes
layer[27]: KL_DEQUANTIZE, 24 bytes
layer[28]: KL_GLOBAL_AVERAGE_POOL2D, 24 bytes
layer[29]: KL_QUANTIZE, 24 bytes
layer[30]: KL_K210_ADD_PADDING, 16 bytes
layer[31]: KL_K210_CONV, 1960 bytes
layer[32]: KL_K210_REMOVE_PADDING, 16 bytes
layer[33]: KL_DEQUANTIZE, 24 bytes
layer[34]: KL_SOFTMAX, 16 bytes
None [{"index":0, "type":KL_K210_CONV, "wi":224, "hi":224, "wo":112, "ho":112, "chi":3, "cho":24, "dw":0, "kernel_type":1, "pool_type":5, "para_size":648}, {"index":1, "type":KL_K210_CONV, "wi":112, "hi":112, "wo":112, "ho":112, "chi":24, "cho":24, "dw":1, "kernel_type":1, "pool_type":0, "para_size":216}, {"index":2, "type":KL_K210_CONV, "wi":112, "hi":112, "wo":112, "ho":112, "chi":24, "cho":48, "dw":0, "kernel_type":0, "pool_type":0, "para_size":1152}, {"index":3, "type":KL_K210_CONV, "wi":112, "hi":112, "wo":112, "ho":112, "chi":48, "cho":48, "dw":1, "kernel_type":1, "pool_type":0, "para_size":432}, {"index":4, "type"(//./////, //./////)
(//./////, //./////)

Please complete the following information

• IDE version: 0.2.5
• Firmware version: v0.5.0-98-g7ec09ea22-dirty
• Board: M5StickV
• OS: Windows 11