fixup: Format Python code with Black

Author: rocky

test/test_knottheory.py

@@ -11,8 +11,10 @@
 )
 
 
-@pytest.mark.skipif(not os.environ.get("KnotTheory", False),
-                    reason="set environment variable KnotTheory to run this test")
+@pytest.mark.skipif(
+    not os.environ.get("KnotTheory", False),
+    reason="set environment variable KnotTheory to run this test",
+)
 def test_knottheory():
     evaluate(
         """K = PD[X[1,9,2,8], X[3,10,4,11],
@@ -24,13 +26,12 @@ def test_knottheory():
         (r"Crossings[K]", "6"),
         # ("PD[BR[4, {-1, 2, 3, -2, -1}]]",
         #  "D[X[8, 2, 3, 1], X[10, 4, 9, 3], X[5, 5, 6, 4], X[9, 6, 10, 7], X[1, 7, 2, 8]]"),
-        ("BR[TorusKnot[5, 4]]",
-         "BR[4, {1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3}]",
-         ),
-        ("Crossings[TorusKnot[5, 4]]",
-         "15"),
-        ("Crossings[TorusKnot[20, 34]]",
-         "660"),
+        (
+            "BR[TorusKnot[5, 4]]",
+            "BR[4, {1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3}]",
+        ),
+        ("Crossings[TorusKnot[5, 4]]", "15"),
+        ("Crossings[TorusKnot[20, 34]]", "660"),
         # ("SymmetryType[Knot[4, 1]]", "FullyAmphicheiral"),
         # (
         #     "ColouredJones[Knot[4, 1], 3][q]",