sops encryption/decryption with age key doesn't work for Python ini Files with [DEFAULT] section

I have the following config.ini File for a Python project:

Running sops --encrypt config.ini > config__sops__.ini results in the following file:

Running sops --decrypt config__sops__.ini > config.ini results in the following file:

--> The [DEFAULT] section is stripped.

The [DEFAULT] section is very important for the Python configparser (https://docs.python.org/3/library/configparser.html#module-configparser). When it's missing, the configparser can't read the config file.

After decrypting and encrypting the config.ini, Python can't read the config.ini anymore.

When I rename the [DEFAULT] section name in config.ini File to [default] (or any other name), then sops works as expected (but Python won't work anymore).
It seems, that the [DEFAULT] section (with capital letters) is somehow reserved for sops???

A possible workaround for me is to define the "default" section in the Python code with setting the default_section property when initializing the configparser.

Please fix this issue.

Thanks in advance
TheRaspyDev

Reproduce the report with a config.ini containing a capitalized [DEFAULT] section, then run the shown sops --encrypt and sops --decrypt commands. Inspect the INI parsing and serialization path used by sops. Done means the [DEFAULT] section survives the encryption/decryption round trip and Python configparser can read the resulting file.