code: def interpret_log_expr(self, expr, **kwargs):
      nested_result = self._do_interpret(expr.expr, **kwargs)
      return self._cg.math_function_invocation(
          self.logarithm_function_name, nested_result
      )
  
imports: from pathlib import Path
  from m2cgen.ast import BinNumOpType
  from m2cgen.interpreters.interpreter import ImperativeToCodeInterpreter
  from m2cgen.interpreters.mixins import LinearAlgebraMixin
  from m2cgen.interpreters.powershell.code_generator import PowershellCodeGenerator
  from m2cgen.interpreters.utils import get_file_content
label_desc: Use image node_id 6 for calling the PowershellInterpreter obj's underlying member method code with example usage: obj.interpret_log_expr(expr) and returns: self