From 9b63ff151e686978e8ea313158a608cd43396cb7 Mon Sep 17 00:00:00 2001
From: Ashley Smith <ashley.smith@magneticearth.org>
Date: Sun, 28 Mar 2021 21:21:38 +0100
Subject: [PATCH] Remove Timestamp unit (-) when loading as xarray

---
 viresclient/_data_handling.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/viresclient/_data_handling.py b/viresclient/_data_handling.py
index 79a0e6e..0dc363e 100644
--- a/viresclient/_data_handling.py
+++ b/viresclient/_data_handling.py
@@ -277,6 +277,9 @@ def as_xarray_dataset(self, reshape=False):
                 ds[var].attrs["description"] = self.get_variable_description(var)
             except KeyError:
                 ds[var].attrs["description"] = FRAME_DESCRIPTIONS.get(var, "")
+        # Remove unused Timestamp unit (-)
+        # for xarray 0.17 compatibility when writing to netcdf
+        ds["Timestamp"].attrs.pop("units", None)
         return ds
 
     @staticmethod