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

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

Author: pre-commit-ci[bot]

linear_programming/simplex.py

@@ -304,7 +304,8 @@ def run_simplex(self) -> dict[Any, Any]:
                 self.tableau = self.pivot(row_idx, col_idx)
         raise ValueError(
             f"Simplex did not converge within {Tableau.maxiter} iterations. "
-             "The problem may be cycling or unbounded.")
+            "The problem may be cycling or unbounded."
+        )
 
     def interpret_tableau(self) -> dict[str, float]:
         """Given the final tableau, add the corresponding values of the basic