TRY Code changes without any impact to make a PR

Author: BaptisteCalot

mapie/tests/test_classification.py

@@ -936,7 +936,9 @@ def get_params(self, *args: Any, **kwargs: Any):
 
 
 def do_nothing(*args: Any) -> None:
-    "Mock function that does nothing. Add this sentence in order to make a change without any impact on code"
+    """Mock function that does nothing.
+    Add this sentence in order to make
+    a change without any impact on code"""
     pass