This is the forum to ask any questions or discuss the deap project. If you find it interesting, have any ideas, want to help, just write.

A few friendly guidelines on using this group before posting :

The mailing-list is moderated. If it is the first time you post, expect some delay before your question is posted.
Read the docs : http://deap.gel.ulaval.ca/doc

Open only one discussion on your question. We will keep the same discussion open until you are satisfied with the answer.
Include as much information as possible :

Describe the steps you achieved before facing your bug.
To share code with us, use a service like pastebin or GitHub Gist. It has many advantages, such as keeping the correct formatting and syntax highlighting.
The code must be the minimal working code to reproduce the bug.
Try to isolate your problem as much as possible, even more if you're not willing to provide your code.
You should share the whole traceback if you encounter an exception (consider using a service like pastebin or GitHub Gist).

This will guarantee a precise and rapid answer to your question.

EphemeralConstant as a dataframe