From 058e1defa086f2f42bfc8de84e4e53d2cd6cafc8 Mon Sep 17 00:00:00 2001
From: David Schaefer <david.schaefer@ufz.de>
Date: Tue, 10 Jan 2023 12:11:36 +0100
Subject: [PATCH] more typing fixes

---
 saqc/lib/ts_operators.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/saqc/lib/ts_operators.py b/saqc/lib/ts_operators.py
index 669de2a06..2d619ae4c 100644
--- a/saqc/lib/ts_operators.py
+++ b/saqc/lib/ts_operators.py
@@ -9,6 +9,8 @@
 """
 The module gathers all kinds of timeseries tranformations.
 """
+from __future__ import annotations
+
 import re
 import sys
 from typing import Literal, Union
-- 
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