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

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

tests/estimation/test_msm_weighting.py

@@ -42,7 +42,7 @@ def test_get_weighting_matrix(moments_cov, method):
         expected = np.identity(cov_np.shape[0])
     else:
         expected = np.diag(1 / np.array([1, 2, 3]))
-    
+
     aaae(calculated, expected)