class_docstr: Represents a set of CPA rules
code: def get_classes(self):
      if len(self.rules) == 0:
          return []
      return [str(i + 1) for i in range(self.rules[0].weights.shape[0])]
  
file_path: CellProfiler/src/frontend/cellprofiler/utilities/rules.py
imports: from difflib import SequenceMatcher
  from rapidfuzz import process
  import re
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting import Binary
  import numpy
label_desc: Use image node_id 6 for calling the Rules obj's underlying member method code with example usage: obj.get_classes() and returns: unknown, list