Update exhaustive_feature_selector.py (#1104)

* Update exhaustive_feature_selector.py 

AttributeError: `np.NINF` was removed in the NumPy 2.0 release. Use `-np.inf` instead.
Fixed this Error.

* Update mlxtend/feature_selection/exhaustive_feature_selector.py

Co-authored-by: Peter Gedeck <[email protected]>

---------

Co-authored-by: Sebastian Raschka <[email protected]>
Co-authored-by: Peter Gedeck <[email protected]>

Author: 3 people

mlxtend/feature_selection/exhaustive_feature_selector.py

@@ -483,7 +483,11 @@ def ncr(n, r):
         return self
 
     def finalize_fit(self):
-        max_score = np.NINF
+        if np.__version__ < "2.0":
+            ninf = np.NINF
+        else:
+            ninf = -np.inf
+        max_score = ninf
         for c in self.subsets_:
             if self.subsets_[c]["avg_score"] > max_score:
                 best_subset = c