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I am having an issue with this Python code: Code And Other Things

The Error Is:

Traceback (most recent call last):
  File "C:\Users\thaku\Desktop\projects\pythoncode-tutorials-master\machine-learning\face-age-prediction\predict_age.py", line 156, in <module>
    predict_age(image_path)
  File "C:\Users\thaku\Desktop\projects\pythoncode-tutorials-master\machine-learning\face-age-prediction\predict_age.py", line 113, in predict_age
    frame = img.copy()
AttributeError: 'NoneType' object has no attribute 'copy'

I Was trying opencv as learning python. the project was to predict age but as this error came my days are wasted so please help me.. To Run The Code: python .\predict_age.py /tmp or some new errors come

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  • 1
    You should paste your code here in the question instead of linking to it. Commented Jan 14, 2022 at 8:02
  • Welcome back to Stack Overflow. As a refresher, please read How to Ask. We can only tell you what is wrong with code that you show in the question itself. Commented Jan 14, 2022 at 8:07

2 Answers 2

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def predict_age(input_path: str):
"""Predict the age of the faces showing in the image"""
# Read Input Image
img = cv2.imread(input_path)
# Take a copy of the initial image and resize it
frame = img.copy()

Seems your error happens here because img is None, so it has no method copy() to call.

You said you are running the code like this:

 .\predict_age.py /tmp

I can see that the code initialises img with the input_path which is passed as sys.argv[1]. well, /tmp is not really an image, could you try passing an image like .\predict_age.py /tmp/my_image.png

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The error means that the img variable from cv2.imread(input_path) is None. I.e., something went wrong with reading the image from input_path.

In your main code, you write

import sys
image_path = sys.argv[1]
predict_age(image_path)

So the image path is given by the first argument to the program. Are you running the code as python predict_age.py 3-people.jpg?

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2 Comments

Hey Lucas, seems like we've seen the same thing and replied at the same time, haha
yes it doesn't work

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