Error during conversion of tflite

[ameerhamza6733]

when i run export_tflite.py i got this error, How to fix this i use tensorflow 1.12

RuntimeError: TOCO failed see console for info.
b'/bin/sh: toco_from_protos: command not found\n'
None
'

[ameerhamza6733]

Look like there was a problem with my tensorflow. so I use google colab. Now when I run this tflite on my android device it always returns the first label with high probability any idea why?