From fd83e53d1198732ae40fe0be1d13ba958088a9ef Mon Sep 17 00:00:00 2001
From: Akio Taniguchi <taniguchi@a.phys.nagoya-u.ac.jp>
Date: Wed, 8 Nov 2023 23:20:07 +0000
Subject: [PATCH] #124 Fix inferred type of abs(DataArray)

---
 decode/qlook.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/decode/qlook.py b/decode/qlook.py
index 383a87d..32b4d94 100644
--- a/decode/qlook.py
+++ b/decode/qlook.py
@@ -3,7 +3,7 @@
 
 # standard library
 from pathlib import Path
-from typing import Literal, Optional, Sequence
+from typing import Literal, Optional, Sequence, cast
 
 
 # dependencies
@@ -159,7 +159,7 @@ def skydip(
     da = load.dems(dems, chunks=None)
 
     if data_type == "df/f":
-        da: xr.DataArray = np.abs(da)
+        da = cast(xr.DataArray, np.abs(da))
         da.attrs.update(long_name="|df/f|", units="dimensionless")
 
     # add sec(Z) coordinate