From 115b2ad63875b1dc92d194e7e17b6ccde3b3d395 Mon Sep 17 00:00:00 2001
From: Mark Felder <feld@feld.me>
Date: Mon, 22 Jan 2024 18:27:33 -0500
Subject: [PATCH] MRF.KeywordPolicy: fix dialyzer error

lib/pleroma/web/activity_pub/mrf/keyword_policy.ex:13:neg_guard_fail
Guard test:
not is_binary(_string :: binary())

can never succeed.
---
 lib/pleroma/web/activity_pub/mrf/keyword_policy.ex | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
index 874fe9ab9..729da4e9c 100644
--- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
@@ -10,15 +10,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do
   @moduledoc "Reject or Word-Replace messages with a keyword or regex"
 
   @behaviour Pleroma.Web.ActivityPub.MRF.Policy
-  defp string_matches?(string, _) when not is_binary(string) do
-    false
-  end
 
   defp string_matches?(string, pattern) when is_binary(pattern) do
     String.contains?(string, pattern)
   end
 
-  defp string_matches?(string, pattern) do
+  defp string_matches?(string, %Regex{} = pattern) do
     String.match?(string, pattern)
   end