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

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Author: pre-commit-ci[bot]

linear_programming/simplex.py

@@ -35,11 +35,15 @@ class Tableau:
     ...
     ValueError: number of (artificial) variables must be a natural number
     """
+
     # Max iteration number to prevent cycling
     maxiter = 100
-    def __init__(self, tableau: np.ndarray, n_vars: int, n_artificial_vars: int) -> None:
-        if tableau.dtype != 'float64':
-            raise TypeError('Tableau must have type float64')
+
+    def __init__(
+        self, tableau: np.ndarray, n_vars: int, n_artificial_vars: int
+    ) -> None:
+        if tableau.dtype != "float64":
+            raise TypeError("Tableau must have type float64")
 
         # Check if RHS is negative
         if not (tableau[:, -1] >= 0).all():
@@ -233,7 +237,7 @@ def run_simplex(self) -> dict[Any, Any]:
         ... [0, 0, 0.25, 0.25, 2],
         ... [0, 1, 0.375, -0.125, 1],
         ... [1, 0, -0.125, 0.375, 1]
-        ... ]), 2, 0).run_simplex() 
+        ... ]), 2, 0).run_simplex()
         {'P': 2.0, 'x1': 1.0, 'x2': 1.0}
 
         # Non-standard: >= constraints