code: def calculate_binary(
      self, left: pd.Series, right: pd.Series
  ) -> pd.Series:
      temp = left.groupby(right).agg(self.agg)
      return self._loc(right, temp)
  
imports: from upgini.autofe.operand import PandasOperand, VectorizableMixin
  from typing import Optional
  import pandas
label_desc: Use image node_id 1 for calling the GroupByThenAgg obj's underlying member method code with example usage: obj.calculate_binary(left, right) and returns: self