class_docstr: A scalar with different values at different points in the designspace.
code: def does_vary(self):
      values = list(self.values.values())
      return any(v != values[0] for v in values[1:])
  
file_path: catboost/contrib/python/fonttools/fontTools/feaLib/variableScalar.py
imports: from fontTools.varLib.models import VariationModel, normalizeValue, piecewiseLinearMap
label_desc: Use image node_id 3 for calling the VariableScalar obj's underlying member method code with example usage: obj.does_vary() and returns: any