[BUG] 'qv_column' is not defined #110

name: Bug Report
about: Report a bug or unexpected behavior
title: "[BUG] qv_column"
labels: bug
assignees: ''

Describe the bug
I am running the tutorial section 1.1 here: https://elihei2.github.io/segger_dev/notebooks/segger_tutorial/

And it had this bug: NameError: name 'qv_column' is not defined

Any thoughts? Thanks!

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots or logs
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Environment (please complete the following information):

• OS: [e.g. macOS, Windows, Linux]
• Python version: [e.g. 3.9]
• Package version: [e.g. 1.2.3]

Additional context
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