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

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

Author: pre-commit-ci[bot]

maths/numerical_analysis/weierstrass_method.py

@@ -35,10 +35,10 @@ def weierstrass_method(
         >>> def check(poly, degree, expected):
         ...     roots = weierstrass_method(poly, degree)
         ...     return np.allclose(np.sort(roots), np.sort(expected))
-        
+
         >>> check(lambda x: x**2 - 1, 2, np.array([-1, 1]))
         True
-        
+
         >>> check(lambda x: x**3 - 4.5*x**2 + 5.75*x - 1.875, 3, np.array([1.5, 0.5, 2.5]))
         True
 
@@ -87,4 +87,4 @@ def weierstrass_method(
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
+    doctest.testmod()