fix a bug

Author: Vahid Tavanashad

dpnp/tests/test_mathematical.py

@@ -751,16 +751,14 @@ def test_errors(self):
 
 
 class TestFix:
-    def get_output_data_type(self, dtype, device):
+    def get_output_data_type(self, dtype):
         if dpnp.can_cast(dtype, dpnp.float16):
             return dpnp.float16
         if dpnp.can_cast(dtype, dpnp.float32):
             return dpnp.float32
         if dpnp.can_cast(dtype, dpnp.float64):
             return dpnp.float64
 
-        return dpnp.default_float_type(device)
-
     @pytest.mark.parametrize(
         "dt", get_all_dtypes(no_none=True, no_complex=True)
     )
@@ -790,8 +788,8 @@ def test_out(self, a_dt):
 
         # numpy output has the same dtype as input
         # dpnp output always has a floating point dtype
-        out_dt = self.get_output_data_type(a.dtype, a.device)
-        out = numpy.zeros_like(a, dtype=out_dt)
+        dt_out = self.get_output_data_type(a.dtype)
+        out = numpy.zeros_like(a, dtype=dt_out)
         iout = dpnp.array(out)
 
         result = dpnp.fix(ia, out=iout)