some new features

.venv/lib/python3.12/site-packages/scipy/sparse/base.py

@@ -0,0 +1,33 @@
+# This file is not meant for public use and will be removed in SciPy v2.0.0.
+# Use the `scipy.sparse` namespace for importing the functions
+# included below.
+
+from scipy._lib.deprecation import _sub_module_deprecation
+
+
+__all__ = [  # noqa: F822
+    'MAXPRINT',
+    'SparseEfficiencyWarning',
+    'SparseFormatWarning',
+    'SparseWarning',
+    'asmatrix',
+    'check_reshape_kwargs',
+    'check_shape',
+    'get_sum_dtype',
+    'isdense',
+    'isscalarlike',
+    'issparse',
+    'isspmatrix',
+    'spmatrix',
+    'validateaxis',
+]
+
+
+def __dir__():
+    return __all__
+
+
+def __getattr__(name):
+    return _sub_module_deprecation(sub_package="sparse", module="base",
+                                   private_modules=["_base"], all=__all__,
+                                   attribute=name)