From cf626d974b11608a6a2863ad400d765ced850826 Mon Sep 17 00:00:00 2001
From: Keewis <keewis@posteo.de>
Date: Fri, 21 Feb 2020 15:54:54 +0100
Subject: [PATCH] don't try to wrap datetime objects in pint

---
 xarray/tests/test_units.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/xarray/tests/test_units.py b/xarray/tests/test_units.py
index d98e5e23516..5dba7568157 100644
--- a/xarray/tests/test_units.py
+++ b/xarray/tests/test_units.py
@@ -1333,6 +1333,7 @@ def wrapper(cls):
     "test_index_0d_datetime",
     "test_index_0d_timedelta64",
     "test_0d_time_data",
+    "test_index_0d_not_a_time",
     "test_datetime64_conversion",
     "test_timedelta64_conversion",
     "test_pandas_period_index",
@@ -1355,6 +1356,15 @@ def cls(dims, data, *args, **kwargs):
             dims, unit_registry.Quantity(data, unit_registry.m), *args, **kwargs
         )
 
+    def example_1d_objects(self):
+        for data in [
+            range(3),
+            0.5 * np.arange(3),
+            0.5 * np.arange(3, dtype=np.float32),
+            np.array(["a", "b", "c"], dtype=object),
+        ]:
+            yield (self.cls("x", data), data)
+
     @pytest.mark.parametrize(
         "func",
         (