@Nullable
  public static PyNamedTupleStub create(@NotNull PyTargetExpression expression) {
    final PyExpression assignedValue = expression.findAssignedValue();

    if (assignedValue instanceof PyCallExpression) {
      return create((PyCallExpression)assignedValue);
    }

    return null;
  }
@Nullable
  public static PyNamedTupleStub create(@NotNull PyTargetExpression expression)