removing the warning supression in datasets

CHANGE_LOG.txt

@@ -1,7 +1,9 @@
 Change Log 0.1.9
 ----------------
 - [TODO] add LeQua2024 and normalized match distance to qp.error
+- [TODO] add CDE-iteration and Bayes-CDE methods
 - [TODO] add Friedman's method and DeBias
+- [TODO] check ignore warning stuff (check https://docs.python.org/3/library/warnings.html#temporarily-suppressing-warnings)
 
 - Added a default classifier for aggregative quantifiers, which now can be instantiated without specifying
     the classifier. The default classifier can be accessed in qp.environ['DEFAULT_CLS'] and is assigned to

quapy/data/datasets.py

@@ -1,7 +1,3 @@
-def warn(*args, **kwargs):
-    pass
-import warnings
-warnings.warn = warn
 import os
 from contextlib import contextmanager
 import zipfile

quapy/functional.py

@@ -1,4 +1,3 @@
-import itertools
 import warnings
 from collections import defaultdict
 from typing import Literal, Union, Callable