Get flake8 linting passing

.flake8

@@ -1,4 +1,4 @@
 [flake8]
 exclude = .git,.tox,__pycache__,.eggs,dist,.venv*,docs,build
 max-line-length = 88
-extend-ignore = W503,W504,E203
+extend-ignore = W503,W504,E203,B011

nose2/plugins/loader/testcases.py

@@ -95,8 +95,8 @@ def isTestMethod(attrname, testCaseClass=testCaseClass, excluded=excluded):
             prefix = evt.testMethodPrefix or self.session.testMethodPrefix
             return (
                 attrname.startswith(prefix)
-                and hasattr(getattr(testCaseClass, attrname), "__call__")
                 and attrname not in excluded
+                and callable(getattr(testCaseClass, attrname))
             )
 
         evt = events.GetTestCaseNamesEvent(event.loader, testCaseClass, isTestMethod)

nose2/plugins/loader/testclasses.py

@@ -173,8 +173,8 @@ def isTestMethod(attrname, cls=cls, excluded=excluded):
             prefix = self.session.testMethodPrefix
             return (
                 attrname.startswith(prefix)
-                and hasattr(getattr(cls, attrname), "__call__")
                 and attrname not in excluded
+                and callable(getattr(cls, attrname))
             )
 
         evt = GetTestMethodNamesEvent(event.loader, cls, isTestMethod)

nose2/tests/functional/support/scenario/pretty_asserts/ignore_passing/test_prettyassert_ignore_passing.py

@@ -1,3 +1,4 @@
+# flake8: noqa
 import unittest
 
 
@@ -6,7 +7,6 @@ def test_failing_assert(self):
         x = True
         y = False
         # fmt: off
-        # ruff: noqa
         assert x; assert y
         # fmt: on