@NotNull
  private static List<RatedResolveResult> resolveInDirectory(
      @NotNull final String referencedName,
      @Nullable final PsiFile containingFile,
      final PsiDirectory dir,
      boolean isFileOnly,
      boolean checkForPackage) {
    final PsiDirectory subdir = dir.findSubdirectory(referencedName);
    if (subdir != null && (!checkForPackage || PyUtil.isPackage(subdir, containingFile))) {
      return ResolveResultList.to(subdir);
    }

    final PsiFile module = findPyFileInDir(dir, referencedName);
    if (module != null) {
      return ResolveResultList.to(module);
    }

    if (!isFileOnly) {
      // not a subdir, not a file; could be a name in parent/__init__.py
      final PsiFile initPy = dir.findFile(PyNames.INIT_DOT_PY);
      if (initPy == containingFile) {
        return Collections.emptyList(); // don't dive into the file we're in
      }
      if (initPy instanceof PyFile) {
        return ((PyFile) initPy).multiResolveName(referencedName);
      }
    }
    return Collections.emptyList();
  }