Remove FunctionChain.__getitem__
This has unintended sideeffects* and is not necessary since the functions
attribute is exposed.
*For example, np.array([chain]) produces an array with each function in
chain as an individual element.
Aufgrund einer Konfigurationsänderung in GitLab wurden neue Nutzende, die sich zum ersten Mal zwischen dem 4.11.2025 und dem 13.01.2026 angemeldet haben, mit einem falschen Benutzernamen erstellt. Es wird dringend empfohlen, dass diese Nutzenden ihren Benutzernamen unter https://git.rwth-aachen.de/-/profile/account ändern. Eine Anleitung finden Sie hier: https://docs.gitlab.com/user/profile/#change-your-username. // Due to a configuration change in GitLab, new users who registered for the first time between November 4, 2025, and January 13, 2026, were created with an incorrect username. It is strongly recommended that these users change their username at https://git.rwth-aachen.de/-/profile/account. Instructions can be found here: https://docs.gitlab.com/user/profile/#change-your-username
This has unintended sideeffects* and is not necessary since the functions
attribute is exposed.
*For example, np.array([chain]) produces an array with each function in
chain as an individual element.