Upgrade pre-commit hooks

Use `pre-commit autoupdate` to upgrade, and follow the message from `pre-commit-hooks` to move to the official `flake8` hook.

testing/acceptance_test.py

@@ -718,8 +718,7 @@ def test_issue_594_random_parametrize(testdir):
 
 
 def test_tmpdir_disabled(testdir):
-    """Test xdist doesn't break if internal tmpdir plugin is disabled (#22).
-    """
+    """Test xdist doesn't break if internal tmpdir plugin is disabled (#22)."""
     p1 = testdir.makepyfile(
         """
         def test_ok():
@@ -733,8 +732,7 @@ def test_tmpdir_disabled(testdir):
 
 @pytest.mark.parametrize("plugin", ["xdist.looponfail", "xdist.boxed"])
 def test_sub_plugins_disabled(testdir, plugin):
-    """Test that xdist doesn't break if we disable any of its sub-plugins. (#32)
-    """
+    """Test that xdist doesn't break if we disable any of its sub-plugins. (#32)"""
     p1 = testdir.makepyfile(
         """
         def test_ok():
@@ -1239,14 +1237,22 @@ class TestFileScope:
             "test_b.py::TestB", result.outlines
         )
 
-        assert test_a_workers_and_test_count in (
-            {"gw0": 10},
-            {"gw1": 0},
-        ) or test_a_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
-        assert test_b_workers_and_test_count in (
-            {"gw0": 10},
-            {"gw1": 0},
-        ) or test_b_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
+        assert (
+            test_a_workers_and_test_count
+            in (
+                {"gw0": 10},
+                {"gw1": 0},
+            )
+            or test_a_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
+        )
+        assert (
+            test_b_workers_and_test_count
+            in (
+                {"gw0": 10},
+                {"gw1": 0},
+            )
+            or test_b_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
+        )
 
     def test_by_class(self, testdir):
         testdir.makepyfile(
@@ -1271,14 +1277,22 @@ class TestFileScope:
             "test_a.py::TestB", result.outlines
         )
 
-        assert test_a_workers_and_test_count in (
-            {"gw0": 10},
-            {"gw1": 0},
-        ) or test_a_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
-        assert test_b_workers_and_test_count in (
-            {"gw0": 10},
-            {"gw1": 0},
-        ) or test_b_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
+        assert (
+            test_a_workers_and_test_count
+            in (
+                {"gw0": 10},
+                {"gw1": 0},
+            )
+            or test_a_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
+        )
+        assert (
+            test_b_workers_and_test_count
+            in (
+                {"gw0": 10},
+                {"gw1": 0},
+            )
+            or test_b_workers_and_test_count in ({"gw0": 0}, {"gw1": 10})
+        )
 
     def test_module_single_start(self, testdir):
         """Fix test suite never finishing in case all workers start with a single test (#277)."""

testing/test_newhooks.py

@@ -46,8 +46,7 @@ class TestHooks:
         )
 
     def test_node_collection_finished(self, testdir):
-        """Test pytest_xdist_node_collection_finished hook (#8).
-        """
+        """Test pytest_xdist_node_collection_finished hook (#8)."""
         testdir.makeconftest(
             """
             def pytest_xdist_node_collection_finished(node, ids):

testing/test_remote.py

@@ -37,7 +37,9 @@ class WorkerSetup:
         self.testdir = testdir
         self.events = Queue()
 
-    def setup(self,):
+    def setup(
+        self,
+    ):
         self.testdir.chdir()
         # import os ; os.environ['EXECNET_DEBUG'] = "2"
         self.gateway = execnet.makegateway()