class_docstr: Bananas dataset.
  
  An artificial dataset where instances belongs to several clusters with a banana shape.
  There are two attributes that correspond to the x and y axis, respectively.
  
  References
  ----------
  [^1]: [OpenML page](https://www.openml.org/d/1460)
code: def __init__(self):
      super().__init__(
          filename="banana.zip",
          n_samples=5300,
          n_features=2,
          task=base.BINARY_CLF,
      )
  
imports: from __future__ import annotations
  from river import stream
  from .None import base
label_desc: Use image node_id 1 to create a new Bananas object from inherited base classes: base with example: obj = Bananas()