private void addImportedNames(PyImportElement @NotNull [] importElements) {
      for (PyImportElement element : importElements) {
        PyReferenceExpression ref = element.getImportReferenceExpression();
        if (ref != null) {
          String s = ref.getReferencedName();
          if (s != null) myNamesAlready.add(s);
        }
      }
    }
private void addImportedNames(PyImportElement @NotNull [] importElements)