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[BUG] App doesn't work when ran from a different directory #1889

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Hunter2809 opened this issue Jan 13, 2022 · 4 comments
Open

[BUG] App doesn't work when ran from a different directory #1889

Hunter2809 opened this issue Jan 13, 2022 · 4 comments

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@Hunter2809
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Hunter2809 commented Jan 13, 2022 •
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Describe your context

dash                          2.0.0
dash-core-components          2.0.0
dash-html-components          2.0.0
dash-table                    5.0.0
pydash                        5.0.0

  • if frontend related, tell us your Browser, Version and OS

    • OS: Windows
    • Browser [e.g. chrome, safari]
    • Version [e.g. 22]

Describe the bug
I have a files directory like this

root
 |
 |-- website
        |
        |-- main.py

So now, when I run the main.py from the root directory in VSCode (since I have opened the whole folder in VSCode), it stops running with the following output

Dash is running on http://127.0.0.1:8000/

 * Serving Flask app 'main' (lazy loading)
 * Environment: production
 * Debug mode: on
No module named main

I have never experienced this issue with either PyWebIO or Flask

Expected behavior
It should run the file normally without any error

Screenshots

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@JonThom
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JonThom commented Jan 14, 2022 •
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Are you passing __name__ as the first argument to dash.Dash()?

@Hunter2809
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Yea...

@seanslma
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seanslma commented Apr 5, 2024

Weird. Seems we must run the main.py from outside of the module/package.
In this case, there is no issue if import the app in main.py and then run it as app.run(host='127.0.0.1', port=8000, debug=True).

@rhigladney
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rhigladney commented Apr 5, 2024 via email

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4 participants
@seanslma @JonThom @Hunter2809 @rhigladney