code: def nested_expression_atom(self, tree):
      # Todo Can there be >1 expression in this case
      expr = tree.children[0]
      return self.visit(expr)
  
imports: import numpy
  from lark import Tree
  from evadb.catalog.catalog_type import ColumnType
  from evadb.expression.abstract_expression import ExpressionType
  from evadb.expression.comparison_expression import ComparisonExpression
  from evadb.expression.constant_value_expression import ConstantValueExpression
  from evadb.expression.logical_expression import LogicalExpression
  from evadb.utils.generic_utils import string_comparison_case_insensitive
label_desc: Use image node_id 7 for calling the Expressions obj's underlying member method code with example usage: obj.nested_expression_atom(tree) and returns: self