class_docstr: Base drift detector.
  
  This base class is not exposed.
docstr: Whether or not a drift is detected following the last update.
docstr_tok: ["Whether","or","not","a","drift","is","detected","following","the","last","update","."]
code: def drift_detected(self):
      """Whether or not a drift is detected following the last update."""
      return self._drift_detected
  
imports: from __future__ import annotations
  import abc
  from .None import base
label_desc: Use image node_id 3 for calling the _BaseDriftDetector obj's underlying member method code with example usage: obj.drift_detected() and returns: self