address further review comments

Author: ndgrigorian

dpnp/__init__.py

@@ -344,7 +344,6 @@
     iscomplexobj,
     isfinite,
     isfortran,
-    isin,
     isinf,
     isnan,
     isneginf,
@@ -498,6 +497,7 @@
     unique_inverse,
     unique_values,
 )
+from .dpnp_iface_logic import isin
 
 # -----------------------------------------------------------------------------
 # Sorting, searching, and counting

dpnp/dpnp_iface_logic.py

@@ -1221,7 +1221,7 @@ def isin(
     >>> element
     array([[0, 2],
            [4, 6]])
-    >>> test_elements = [1, 2, 4, 8]
+    >>> test_elements = np.array([1, 2, 4, 8])
     >>> mask = np.isin(element, test_elements)
     >>> mask
     array([[False,  True],