Fix flake8 errors

LemonBoy · LemonBoy · commit 8240e99716fe · 2023-07-04T15:00:19.000+02:00
Oops, my bad.
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -1642,8 +1642,8 @@ def plot_surface(self, X, Y, Z, *, norm=None, vmin=None,
                         colset.append(fcolors[rs][cs])
 
         # In cases where there are non-finite values in the data (possibly NaNs from
-        # masked arrays), artifacts can be introduced. Here check whether such values are
-        # present and remove them.
+        # masked arrays), artifacts can be introduced. Here check whether such values
+        # are present and remove them.
         if not isinstance(polys, np.ndarray) or not np.isfinite(polys).all():
             new_polys = []
             new_colset = []
diff --git a/lib/mpl_toolkits/mplot3d/tests/test_axes3d.py b/lib/mpl_toolkits/mplot3d/tests/test_axes3d.py
@@ -2227,12 +2227,13 @@ def test_mutating_input_arrays_y_and_z(fig_test, fig_ref):
     z = [0.0, 0.0, 0.0]
     ax2.plot(x, y, z, 'o-')
 
+
 @mpl3d_image_comparison(['surface3d_zsort_inf.png'], style='mpl20')
 def test_surface3d_zsort_inf():
     fig = plt.figure()
     ax = fig.add_subplot(projection='3d')
 
-    x, y = np.mgrid[-2:2:0.1,-2:2:0.1]
+    x, y = np.mgrid[-2:2:0.1, -2:2:0.1]
     z = np.sin(x)**2 + np.cos(y)**2
     z[x.shape[0] // 2:, x.shape[1] // 2:] = np.inf
 
