address comments

Author: Vahid Tavanashad

dpnp/tests/helper.py

@@ -203,7 +203,9 @@ def generate_random_numpy_array(
 
     """
 
-    numpy.random.seed(seed_value) if seed_value else numpy.random.seed(42)
+    if seed_value is None:
+        seed_value = 42
+    numpy.random.seed(seed_value)
 
     # dtype=int is needed for 0d arrays
     size = numpy.prod(shape, dtype=int)

dpnp/tests/test_linalg.py

@@ -1815,7 +1815,7 @@ def test_lstsq(self, a_shape, b_shape, dtype):
         for param_dp, param_np in zip(result, expected):
             assert_dtype_allclose(param_dp, param_np)
 
-    @pytest.mark.parametrize("a_dtype", get_all_dtypes())
+    @pytest.mark.parametrize("a_dtype", get_all_dtypes(no_none=True))
     @pytest.mark.parametrize("b_dtype", get_all_dtypes())
     def test_lstsq_diff_type(self, a_dtype, b_dtype):
         a_np = generate_random_numpy_array((2, 2), a_dtype)