[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

maths/softmax.py

@@ -2,10 +2,7 @@
 from typing import Optional
 
 
-def softmax(
-    vector: np.ndarray | list | tuple,
-    axis: int | None = -1
-) -> np.ndarray:
+def softmax(vector: np.ndarray | list | tuple, axis: int | None = -1) -> np.ndarray:
     """
     Compute the softmax of `vector` along `axis` in a numerically-stable way.