code: def interpret_abs_expr(self, expr, **kwargs):
      nested_result = self._do_interpret(expr.expr, **kwargs)
      return self._cg.function_invocation(
          self.abs_function_name, nested_result
      )
  
file_path: m2cgen/m2cgen/interpreters/python/interpreter.py
imports: from pathlib import Path
  from m2cgen.ast import BinNumOpType
  from m2cgen.interpreters.interpreter import ImperativeToCodeInterpreter
  from m2cgen.interpreters.mixins import BinExpressionDepthTrackingMixin, LinearAlgebraMixin, PowExprFunctionMixin
  from m2cgen.interpreters.python.code_generator import PythonCodeGenerator
  from m2cgen.interpreters.utils import get_file_content
label_desc: Use image node_id 3 for calling the PythonInterpreter obj's underlying member method code with example usage: obj.interpret_abs_expr(expr) and returns: self