Use direct array module when making xps namespace

Author: honno

array_api_tests/__init__.py

@@ -1,6 +1,6 @@
 from hypothesis.extra.array_api import make_strategies_namespace
 
-from . import _array_module as xp
+from ._array_module import mod as xp
 
 
 xps = make_strategies_namespace(xp)