TypeError: object of type 'NoneType' has no len()

[riefquer]

Dear All,

i have try to running code by command promp and below error has been occured.

==================
(cv) pi@raspberrypi:~/Documents/LatOpenCV $ python object_detection_position.py
[INFO] waiting for camera to warmup...

Positioning servos to initial position ==> Press 'q' to quit Program

Traceback (most recent call last):
File "object_detection_position.py", line 111, in
if len(cnts) > 0:

File "objectDetectCoord.py", line 69, in
if len(cnts) > 0:
TypeError: object of type 'NoneType' has no len()

But while running py file by Mu python editor, no error was found.

looking forward any advices, thank you

Arief (Beginner raspberry hobbyist)

[DarthDemon]

I have the same problem. I'm going to try and figure out why this error occurs. I will keep you updated.

[davgonzalvo]

I have the same problem, any advice?

[SaadAhmed1122]

i have also same error accurs please guide us how to resolve it.