From b54bdd80a816d4f40df7e07d0c76ed0dd1ea50ad Mon Sep 17 00:00:00 2001
From: David Huard <huard.david@ouranos.ca>
Date: Fri, 23 Feb 2024 01:13:24 -0300
Subject: [PATCH] Use get to fetch units attribute to avoid error if missing.
 (#1539)

---
 pygeoapi/provider/xarray_.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pygeoapi/provider/xarray_.py b/pygeoapi/provider/xarray_.py
index 44398c7..4a1f396 100644
--- a/pygeoapi/provider/xarray_.py
+++ b/pygeoapi/provider/xarray_.py
@@ -439,10 +439,10 @@ class XarrayProvider(BaseProvider):
             if coord.lower() == 'time':
                 time_var = coord
                 continue
-            if self._data.coords[coord].attrs['units'] == 'degrees_north':
+            if self._data.coords[coord].attrs.get('units') == 'degrees_north':
                 y_var = coord
                 continue
-            if self._data.coords[coord].attrs['units'] == 'degrees_east':
+            if self._data.coords[coord].attrs.get('units') == 'degrees_east':
                 x_var = coord
                 continue