private static void updateUsage(@NotNull final PyReferenceExpression element) {
    final PyExpression qualifier = element.getQualifier();
    if (qualifier == null) return;
    final PsiReference reference = qualifier.getReference();
    if (reference == null) return;
    final PsiElement resolved = reference.resolve();
    if (resolved instanceof PyClass) {     //call with first instance argument A.m(A())
      updateArgumentList(element);
    }
  }
private static void updateUsage(@NotNull final PyReferenceExpression element)