From 2f47f7550075ff18f3f5128989f09fc1e43fc0a7 Mon Sep 17 00:00:00 2001
From: bot-boi <bot-boi@gmail.com>
Date: Sat, 27 Mar 2021 20:56:04 -0400
Subject: [PATCH] Ensure b:showing_message is always defined.

---
 autoload/flake8.vim | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/autoload/flake8.vim b/autoload/flake8.vim
index 180bcad..15d061e 100644
--- a/autoload/flake8.vim
+++ b/autoload/flake8.vim
@@ -273,6 +273,10 @@ function! s:ShowErrorMessage()  " {{{
     if !exists('s:resultDict')
 	return
     endif
+    if !exists('b:showing_message')
+	" ensure showing msg is always defined
+	let b:showing_message = ' '
+    endif
 
     " if there is a message on the current line,
     " then echo it 
@@ -295,4 +299,3 @@ endfunction  " }}}
 
 let &cpo = s:save_cpo
 unlet s:save_cpo
-
-- 
2.39.2