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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

machine_learning/linear_regression_vectorized.py

@@ -115,4 +115,4 @@ def main() -> None:
     import doctest
 
     doctest.testmod()  # runs all doctests
-    main()             # runs main function
+    main()  # runs main function