Fixed formatting

Author: bwhewe-13

tests/test_parallel_sweep.py

@@ -155,10 +155,13 @@ def test_timed_1d_correctness():
     time_data = TimeDependentData(steps=5, dt=0.1)
     mat_data.velocity = np.ones(1)
     angle_x = quadrature.angle_x
-    half_bc = np.stack([
-        sources.boundary_x[0, angle_x > 0, :],  # left: incoming positive angles
-        sources.boundary_x[1, angle_x < 0, :],  # right: incoming negative angles
-    ], axis=0)
+    half_bc = np.stack(
+        [
+            sources.boundary_x[0, angle_x > 0, :],  # left: incoming positive angles
+            sources.boundary_x[1, angle_x < 0, :],  # right: incoming negative angles
+        ],
+        axis=0,
+    )
     sources = SourceData(
         initial_flux=np.zeros((100, 8, 1)),
         external=ants.external1d.time_dependence_constant(sources.external),