code: def __eq__(self, other):
      is_subtree_equal = super().__eq__(other)
      if not isinstance(other, AggregationExpression):
          return False
      return is_subtree_equal and self.etype == other.etype
  
file_path: evadb/evadb/expression/aggregation_expression.py
imports: from evadb.expression.abstract_expression import AbstractExpression, ExpressionReturnType, ExpressionType
  from evadb.models.storage.batch import Batch
label_desc: Use image node_id 6 for calling the AggregationExpression obj's underlying member method code with example usage: obj.__eq__(other) and returns: unknown, False