nit: sparse

Author: crusaderky

tests/_helpers.py

@@ -8,10 +8,6 @@
     "array_api_strict", "jax.numpy", "sparse", "ndonnx"
 ]
 
-# `sparse` added array API support as of Python 3.10.
-if sys.version_info >= (3, 10):
-    all_libraries.append('sparse')
-
 def import_(library, wrapper=False):
     if library in ('cupy', 'ndonnx'):
         pytest.importorskip(library)