@Override
  public void computeUsages(final @NotNull List<? extends PsiElement> targets) {
    final PsiElement parent = myTarget.getParent();
    if (!(parent instanceof PyReturnStatement)) {
      return;
    }

    final PyFunction function = PsiTreeUtil.getParentOfType(myTarget, PyFunction.class);
    if (function == null) {
      return;
    }

    highlightExitPoints((PyReturnStatement)parent, function);
  }
@Override
  public void computeUsages(final @NotNull List<? extends PsiElement> targets)