From 95bb5e55990f898365bac8bd09174d2891d3a46f Mon Sep 17 00:00:00 2001
From: Joseph Marie Alba <josephalbaph@gmail.com>
Date: Sun, 16 May 2021 05:55:35 +0800
Subject: [PATCH] Python 3 issue with re

Python 3 interprets string literals as Unicode strings, and therefore \s is treated as an escaped Unicode character.

Declare your pattern as a raw string instead by prepending r
---
 frappe/core/doctype/file/file.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frappe/core/doctype/file/file.py b/frappe/core/doctype/file/file.py
index d6923c0010..c4c37e6d13 100755
--- a/frappe/core/doctype/file/file.py
+++ b/frappe/core/doctype/file/file.py
@@ -912,7 +912,7 @@ def extract_images_from_html(doc, content):
 		return '<img src="{file_url}"'.format(file_url=file_url)
 
 	if content and isinstance(content, string_types):
-		content = re.sub('<img[^>]*src\s*=\s*["\'](?=data:)(.*?)["\']', _save_file, content)
+		content = re.sub(r'<img[^>]*src\s*=\s*["\'](?=data:)(.*?)["\']', _save_file, content)
 
 	return content