Bug: Parsing ~/.ipdb breaks if [ipdb] section is manually added

[zachriggle]

Thanks @gotcha for your excellent debugger tool, ipdb.

I'm playing around with extending some of the features of the configuration parser (see other GH issues I'm filing later today).

The first issue that I've run into is that, to save the user effort, the ipdb section of the config file is automatically created, and all configuration entries are read in under that.

This means that this works:

context=10

But this breaks with a DuplicateSectionError:

[ipdb]
context=10

While this syntactical sugar is very convenient, it does make some things I'm planning more difficult. Would you be amenable to having the secondary syntax also valid? It would require only minor modification to __main__.ConfigFile to check whether the regex r'^[ipdb]$' appears anywhere in the read config file.

Note: I would create a Pull Request for this, as it seems to be a simple change, but my employer bans me from contributing to FOSS projects.

[alexandrebarbaruiva]

Hello, @zachriggle, what advantage does having [ipdb] inside a .ipdb file presents? I'd assume a .ipdb file has only ipdb related configuration.