Avoid keywords for pos-only args in error messages

Author: honno

array_api_tests/test_creation_functions.py

@@ -147,9 +147,9 @@ def test_arange(dtype, data):
         else:
             ph.assert_default_float("arange", out.dtype)
     else:
-        assert out.dtype == dtype
+        ph.assert_dtype("arange", (out.dtype,), dtype)
     assert out.ndim == 1, f"{out.ndim=}, but should be 1 [linspace()]"
-    f_func = f"[arange({start=}, {stop=}, {step=})]"
+    f_func = f"[arange({start}, {stop}, {step})]"
     # We check size is roughly as expected to avoid edge cases e.g.
     #
     #     >>> xp.arange(2, step=0.333333333333333)
@@ -179,7 +179,7 @@ def test_arange(dtype, data):
         if out.size > 0:
             assert ah.equal(
                 out[0], ah.asarray(_start, dtype=out.dtype)
-            ), f"out[0]={out[0]}, but should be {_start} [arange({start=}, {stop=})]"
+            ), f"out[0]={out[0]}, but should be {_start} {f_func}"
 
 
 @given(hh.shapes(), hh.kwargs(dtype=st.none() | hh.shared_dtypes))
@@ -353,8 +353,12 @@ def test_linspace(num, dtype, endpoint, data):
     )
     out = xp.linspace(start, stop, num, **kw)
 
+    if dtype is None:
+        ph.assert_default_float("linspace", out.dtype)
+    else:
+        ph.assert_dtype("linspace", (out.dtype,), dtype)
     ph.assert_shape("linspace", out.shape, num, start=stop, stop=stop, num=num)
-    f_func = f"[linspace({start=}, {stop=}, {num=})]"
+    f_func = f"[linspace({start}, {stop}, {num})]"
     if num > 0:
         assert ah.equal(
             out[0], ah.asarray(start, dtype=out.dtype)