fix categorize warnings

Author: alimanfoo

zarr/tests/test_core.py

@@ -1027,24 +1027,11 @@ def test_object_arrays_danger(self):
             z[:] = 42
 
         # do something else dangerous
-        labels = [
-            '¡Hola mundo!',
-            'Hej Världen!',
-            'Servus Woid!',
-            'Hei maailma!',
-            'Xin chào thế giới',
-            'Njatjeta Botë!',
-            'Γεια σου κόσμε!',
-            'こんにちは世界',
-            '世界，你好！',
-            'Helló, világ!',
-            'Zdravo svete!',
-            'เฮลโลเวิลด์'
-        ]
-        data = labels * 10
+        data = greetings * 10
         for compressor in Zlib(1), Blosc():
             z = self.create_array(shape=len(data), chunks=30, dtype=object,
-                                  object_codec=Categorize(labels, dtype=object),
+                                  object_codec=Categorize(greetings,
+                                                          dtype=object),
                                   compressor=compressor)
             z[:] = data
             v = z.view(filters=[])