PySimpleGUI / PySimpleGUI

Python GUIs for Humans! PySimpleGUI is the top-rated Python application development environment. Launched in 2018 and actively developed, maintained, and supported in 2024. Transforms tkinter, Qt, WxPython, and Remi into a simple, intuitive, and fun experience for both hobbyists and expert users.

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[Error] NoneType has no Len

p-i-c-o opened this issue · comments

Type of Issue (Enhancement, Error, Bug, Question)

Error


Operating System

MacOS

PySimpleGUI Port (tkinter, Qt, Wx, Web)

PySimpleGUI


Versions

Version information can be obtained by calling sg.main_get_debug_data()
Or you can print each version shown in ()

Python version (sg.sys.version)

3.9.1

PySimpleGUI Version (sg.__version__)

4.60.0

GUI Version (tkinter (sg.tclversion_detailed), PySide2, WxPython, Remi)

8.6.8


Your Experience In Months or Years (optional)

Years Python programming experience
3

Years Programming experience overall
4

Have used another Python GUI Framework? (tkinter, Qt, etc) (yes/no is fine)
slightly

Anything else you think would be helpful?
Using repl.it and regular mac terminal app


Troubleshooting

These items may solve your problem. Please check those you've done by changing - [ ] to - [X]

  • Searched main docs for your problem www.PySimpleGUI.org
  • Looked for Demo Programs that are similar to your goal Demos.PySimpleGUI.org
  • If not tkinter - looked for Demo Programs for specific port
  • For non tkinter - Looked at readme for your specific port if not PySimpleGUI (Qt, WX, Remi)
  • Run your program outside of your debugger (from a command line)
  • Searched through Issues (open and closed) to see if already reported Issues.PySimpleGUI.org
  • Tried using the PySimpleGUI.py file on GitHub. Your problem may have already been fixed but not released

Detailed Description

Code To Duplicate

A short program that isolates and demonstrates the problem (Do not paste your massive program, but instead 10-20 lines that clearly show the problem)

This pre-formatted code block is all set for you to paste in your bit of code:

event, values = window.read()

Screenshot, Sketch, or Drawing

pasted


Watcha Makin?

I'm making a script manager for the Pico Ducky by dbisu ( on GitHub )

Duplicate issue as issue #5474