From 556285b198db65f81f3fbd9d5eec59e94c2720a0 Mon Sep 17 00:00:00 2001
From: Benjamin Mako Hill <mako@atdot.cc>
Date: Fri, 28 Apr 2023 14:21:21 -0700
Subject: [PATCH 1/1] added a line to fix persistence with deleted revs

kaylea realized that we need to initialize the old_rev_data dictionary or it
fails when the first revision to a page is deleted. This patch is from kaylea
and modified by mako.
---
 wikiq | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wikiq b/wikiq
index 0543a33..4a5c129 100755
--- a/wikiq
+++ b/wikiq
@@ -367,6 +367,8 @@ class WikiqParser():
                     rev_data['collapsed_revs'] = rev.collapsed_revs
 
                 if self.persist != PersistMethod.none:
+                    # initialize an empty dictionary before assigning things into it. this catches bugs if the first revision is deleted                    
+                    old_rev_data = {}
                     if rev.deleted.text:
                         for k in ["token_revs", "tokens_added", "tokens_removed", "tokens_window"]:
                             old_rev_data[k] = None
-- 
2.39.5