(Nov-13-2018, 12:54 PM)pianistseb Wrote: I have always the same error.Please, read What to include in a post
Post the full traceback in error tags
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs