Common Mistakes (aka Gotcha’s)¶
- General Advice
- My stimulus isn’t appearing, there’s only the grey background
- The loop isn’t using my Excel spreadsheet
- I just want a plain square, but it’s turning into a grating
- The code snippet I’ve entered doesn’t do anything
- My stimulus isn’t changing as I progress through the loop
- I’m getting the error message AttributeError: ‘unicode object has no attribute ‘XXXX’
- The window opens and immediately closes
If you are having problems getting the application to run please see Troubleshooting