[doc build] [azure parallel] work-around for lack of scipy-doctest floating point comparison in dict

Author: lesteve

sklearn/model_selection/_search.py

@@ -1946,7 +1946,7 @@ class RandomizedSearchCV(BaseSearchCV):
     >>> clf = RandomizedSearchCV(logistic, distributions, random_state=0)
     >>> search = clf.fit(iris.data, iris.target)
     >>> search.best_params_
-    {'C': np.float64(2.195), 'penalty': 'l1'}
+    {'C': np.float64(2.195...), 'penalty': 'l1'}
     """
 
     _parameter_constraints: dict = {