class_docstr: A scalar with different values at different points in the designspace.
code: def add_value(self, location, value):
      if self.axes:
          location = self.fix_location(location)
  
      self.values[Location(location)] = value
  
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 7 for calling the VariableScalar obj's underlying member method code with example usage: obj.add_value(location, value) without return types