Use the full path dpnp.exceptions.DLPackCreationError in the docstrings

Author: antonwolfy

dpnp/dpnp_array.py

@@ -253,7 +253,7 @@ def __dlpack__(
         ------
         MemoryError
             when host memory can not be allocated.
-        DLPackCreationError
+        dpnp.exceptions.DLPackCreationError
             when array is allocated on a partitioned SYCL device, or with
             a non-default context.
         BufferError
@@ -283,7 +283,7 @@ def __dlpack_device__(self, /):
 
         Raises
         ------
-        DLPackCreationError
+        dpnp.exceptions.DLPackCreationError
             when the ``device_id`` could not be determined.
 
         """

dpnp/dpnp_iface_arraycreation.py

@@ -2234,7 +2234,7 @@ def from_dlpack(x, /, *, device=None, copy=None):
         if `x` does not implement ``__dlpack__`` method
     ValueError
         if data of the input object resides on an unsupported device
-    DLPackCreationError
+    dpnp.exceptions.DLPackCreationError
         when `x` is allocated on a partitioned SYCL device, or with
         a non-default context