[PR PATCH] anki: fix use of deprecated method removed in python 3.9

[Bikutoso <Bikutoso@users.noreply.github.com>]

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There is a new pull request by Bikutoso against master on the void-packages repository

https://github.com/Bikutoso/void-packages anki-fix-unescape
https://github.com/void-linux/void-packages/pull/33287

anki: fix use of deprecated method removed in python 3.9
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#### General
- [ ] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

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- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

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A patch file from https://github.com/void-linux/void-packages/pull/33287.patch is attached

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From 0c44600a3a0e6a747360262309114cc42d4a1544 Mon Sep 17 00:00:00 2001
From: Bikutoso <10584311+Bikutoso@users.noreply.github.com>
Date: Sun, 3 Oct 2021 12:22:06 +0200
Subject: [PATCH] anki: fix use of deprecated method removed in python 3.9

---
 srcpkgs/anki/patches/fix_unescape.patch | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 srcpkgs/anki/patches/fix_unescape.patch

diff --git a/srcpkgs/anki/patches/fix_unescape.patch b/srcpkgs/anki/patches/fix_unescape.patch
new file mode 100644
index 000000000000..f7024bc7bf15
--- /dev/null
+++ b/srcpkgs/anki/patches/fix_unescape.patch
@@ -0,0 +1,11 @@
+--- a/aqt/reviewer.py
++++ b/aqt/reviewer.py
+@@ -359,7 +359,7 @@
+         cor = stripHTML(cor)
+         # ensure we don't chomp multiple whitespace
+         cor = cor.replace(" ", "&nbsp;")
+-        cor = parser.unescape(cor)
++        cor = html.unescape(cor)
+         cor = cor.replace("\xa0", " ")
+         cor = cor.strip()
+         given = self.typedAnswer