feat(imperative): support tensor with uint16 date type

GitOrigin-RevId: 57ba0633c7

imperative/python/src/helper.cpp

@@ -172,6 +172,7 @@ int to_mgb_supported_dtype_raw(int dtype) {
 #define FOREACH_NPY_DTYPE_PAIR(cb) \
     cb(Uint8, NPY_UINT8) \
     cb(Int8, NPY_INT8) \
+    cb(Uint16, NPY_UINT16) \
     cb(Int16, NPY_INT16) \
     cb(Int32, NPY_INT32) \
     cb(Float16, NPY_FLOAT16) \

imperative/python/test/unit/core/test_raw_tensor.py

@@ -28,3 +28,10 @@ def test_as_raw_tensor_from_int64():
     assert xx.dtype == np.float32
     assert xx.device == "xpux"
     np.testing.assert_almost_equal(yy, x.astype("float32") + 1)
+
+
+def test_as_raw_tensor_uint16():
+    x = np.arange(6, dtype="uint16").reshape(2, 3)
+    xx = Tensor(x, device="xpux")
+    assert xx.dtype == np.uint16
+    assert xx.device == "xpux"