Fix ruff issues

fixtures/__init__.py

@@ -80,15 +80,15 @@
 ]
 
 
-from fixtures.fixture import (
+from fixtures.fixture import (  # noqa: E402
     CompoundFixture,
     Fixture,
     FunctionFixture,
     MethodFixture,
     MultipleExceptions,
     SetupError,
 )
-from fixtures._fixtures import (
+from fixtures._fixtures import (  # noqa: E402
     ByteStream,
     DetailStream,
     EnvironmentVariable,
@@ -114,11 +114,11 @@
     WarningsCapture,
     WarningsFilter,
 )
-from fixtures.testcase import TestWithFixtures
+from fixtures.testcase import TestWithFixtures  # noqa: E402
 
 
 def test_suite():
-    import fixtures.tests
+    import fixtures.tests  # noqa: F401
 
     return fixtures.tests.test_suite()
 

fixtures/fixture.py

@@ -194,7 +194,7 @@ def setUp(self):
         self._clear_cleanups()
         try:
             self._setUp()
-        except:
+        except BaseException:
             err = sys.exc_info()
             details = {}
             if gather_details is not None:
@@ -380,12 +380,14 @@ def setUp(self):
         if setup is None:
             setup = getattr(obj, 'setUp', None)
             if setup is None:
-                setup = lambda: None
+                def setup():
+                    return None
         self._setup = setup
         if cleanup is None:
             cleanup = getattr(obj, 'tearDown', None)
             if cleanup is None:
-                cleanup = lambda: None
+                def cleanup():
+                    return None
         self._cleanup = cleanup
         if reset is None:
             reset = getattr(obj, 'reset', None)

fixtures/tests/_fixtures/test_logger.py

@@ -134,7 +134,7 @@ def test_logging_output_included_in_details(self):
             self.assertEqual("some message\n", content.as_text())
         except AssertionError:
             raise
-        except:
+        except BaseException:
             pass
 
     def test_exceptionraised(self):

fixtures/tests/_fixtures/test_monkeypatch.py

@@ -113,7 +113,7 @@ def test_patch_missing_attribute(self):
         self.assertFalse('new_attr' in globals())
         fixture.setUp()
         try:
-            self.assertEqual(True, new_attr)
+            self.assertEqual(True, new_attr)  # noqa: F821
         finally:
             fixture.cleanUp()
             self.assertFalse('new_attr' in globals())