From ee3242c3851a579eeb33801ba33b9c9b827b00ca Mon Sep 17 00:00:00 2001
From: Jessica Scheick <jbscheick@gmail.com>
Date: Tue, 14 Nov 2023 13:03:46 -0500
Subject: [PATCH] don't drop requested variables with dimension

---
 icepyx/core/read.py | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/icepyx/core/read.py b/icepyx/core/read.py
index 52264c0e5..627395be2 100644
--- a/icepyx/core/read.py
+++ b/icepyx/core/read.py
@@ -616,13 +616,9 @@ def _combine_nested_vars(is2ds, ds, grp_path, wanted_dict):
         except (AttributeError, KeyError):
             pass
 
-        ds = ds[grp_spec_vars].reset_coords()
+        ds = ds[grp_spec_vars].swap_dims({"delta_time": "photon_idx"})
         is2ds = is2ds.assign(ds)
 
-        # manually remove delta time as a dimension
-        if "delta_time" in is2ds.dims:
-            is2ds = is2ds.drop_dims("delta_time")
-
         return is2ds
 
     def load(self):