@Override
  public PyDebugValue changeVariable(final String threadId, final String frameId, final PyDebugValue var, final String value)
    throws PyDebuggerException {
    setTempVariable(threadId, frameId, var);
    return doChangeVariable(threadId, frameId, var.getEvaluationExpression(), value);
  }
@Override
  public PyDebugValue changeVariable(final String threadId, final String frameId, final PyDebugValue var, final String value)