use tuple instead of typing.Tuple

Author: wishmaster815

machine_learning/t_stochastic_neighbour_embedding.py

@@ -6,7 +6,6 @@
 
 # Standard library
 import doctest
-from typing import Tuple
 
 # Third-party
 import numpy as np
@@ -22,7 +21,7 @@
     ) from e
 
 
-def collect_dataset() -> Tuple[ndarray, ndarray]:
+def collect_dataset() -> tuple[ndarray, ndarray]:
     """
     Load the Iris dataset and return features and labels.