class_docstr: A scalar with different values at different points in the designspace.
code: def value_at_location(self, location, model_cache=None, avar=None):
      loc = location
      if loc in self.values.keys():
          return self.values[loc]
      values = list(self.values.values())
      return self.model(model_cache, avar).interpolateFromMasters(
          loc, values
      )
  
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 10 for calling the VariableScalar obj's underlying member method code with example usage: obj.value_at_location(location, model_cache, avar) and returns: self, self