Expose DLDeviceType in dpctl.tensor

Author: ndgrigorian

dpctl/tensor/__init__.py

@@ -93,7 +93,7 @@
 from dpctl.tensor._reshape import reshape
 from dpctl.tensor._search_functions import where
 from dpctl.tensor._statistical_functions import mean, std, var
-from dpctl.tensor._usmarray import usm_ndarray
+from dpctl.tensor._usmarray import DLDeviceType, usm_ndarray
 from dpctl.tensor._utility_functions import all, any, diff
 
 from ._accumulation import cumulative_logsumexp, cumulative_prod, cumulative_sum
@@ -376,4 +376,5 @@
     "nextafter",
     "diff",
     "count_nonzero",
+    "DLDeviceType",
 ]