@Nullable
  private static PyFunction resolveRedirectToFunction(@NotNull String redirect, @NotNull PsiElement reference) {
    final QualifiedName qualifiedName = QualifiedName.fromDottedString(redirect);
    final String functionName = qualifiedName.getLastComponent();
    final List<PsiElement> items = PyResolveImportUtil.resolveQualifiedName(qualifiedName.removeLastComponent(),
                                                                            PyResolveImportUtil.fromFoothold(reference));
    for (PsiElement item : items) {
      if (item instanceof PsiDirectory) {
        item = ((PsiDirectory)item).findFile(PyNames.INIT_DOT_PY);
      }
      if (item instanceof PyFile) {
        final PsiElement element = ((PyFile)item).getElementNamed(functionName);
        if (element instanceof PyFunction) {
          return (PyFunction)element;
        }
      }
    }
    return null;
  }
@Nullable
  private static PyFunction resolveRedirectToFunction(@NotNull String redirect, @NotNull PsiElement reference)