Consistency: `is_fitted` as function vs. `is_fitted` as attribute

[lars-reimann]

Is your feature request related to a problem?

For classical regressors/classifiers, is_fitted is a function (has to be called). For NNs, it is an attribute/property (must not be called).

Desired solution

Consistently make this a function or an attribute.

Possible alternatives (optional)

No response

Screenshots (optional)

No response

Additional Context (optional)

No response

[lars-reimann]

@Safe-DS/library Any preference whether this should be a function or an attribute/property?

[lars-reimann]

Decision: Use property.

[lars-reimann]

🎉 This issue has been resolved in version 0.22.0 🎉

The release is available on:

• v0.22.0
• GitHub release

Your semantic-release bot 📦🚀