From 88bd9867400e25b9ce268c8fc3f15ae51ffc56a4 Mon Sep 17 00:00:00 2001
From: Ryan Morshead <ryan.morshead@gmail.com>
Date: Fri, 2 Sep 2022 17:12:31 -0700
Subject: [PATCH] use isclass instead of `not isfunction`

It is not always true that `not isfunction(...) is isclass(...)`
---
 src/flake8/plugins/finder.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/flake8/plugins/finder.py b/src/flake8/plugins/finder.py
index c051488..8852ef2 100644
--- a/src/flake8/plugins/finder.py
+++ b/src/flake8/plugins/finder.py
@@ -272,7 +272,7 @@ def _parameters_for(func: Any) -> dict[str, bool]:
         A dictionary mapping the parameter name to whether or not it is
         required (a.k.a., is positional only/does not have a default).
     """
-    is_class = not inspect.isfunction(func)
+    is_class = inspect.isclass(func)
     if is_class:
         func = func.__init__