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I deployed my application successfully to Heroku only to encounter this problem. It has to do with my template tags. It works just fine in development.

I tried adding:

'libraries': { 'courses_tags': 'courses.templatetags.courses_tags', }

to the TEMPLATES dictionary in settings.py but that doesn't worked.

Here is a screenshot from my Heroku log.

heroku log screenshot

Sunderam Dubey
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Tomiwa Joseph
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    Check this [post](https://stackoverflow.com/a/55834373/14457833) maybe this will help you – Ankit Tiwari May 09 '22 at 17:22
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    I have scoured stackoverflow for an answer and I have definitely seen this post. It was just just a typo on the part of the OP. In my own case, the error log doesn't even help as this problem has to do with how django works, I suppose. You know...restarting the server and shhh before using a template tag – Tomiwa Joseph May 10 '22 at 06:24

1 Answers1

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After more extensive searching, I discovered that

import cv2

in my courses_tag.py is the cause of my problem and I used answers in this post to solve my problem.

link to the question post

Tomiwa Joseph
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