From 772ca534baa5be239d33f9d26176f3ad21f23233 Mon Sep 17 00:00:00 2001
From: Martyn Gigg <martyn.gigg@stfc.ac.uk>
Date: Wed, 22 Jan 2020 13:35:59 +0000
Subject: [PATCH] Use a raw string for regex string

---
 qt/python/mantidqt/widgets/codeeditor/completion.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qt/python/mantidqt/widgets/codeeditor/completion.py b/qt/python/mantidqt/widgets/codeeditor/completion.py
index d5290d19f1f..6019a7394bc 100644
--- a/qt/python/mantidqt/widgets/codeeditor/completion.py
+++ b/qt/python/mantidqt/widgets/codeeditor/completion.py
@@ -71,7 +71,7 @@ def get_builtin_argspec(builtin):
     if not doc_string:
         return None
     func_descriptor = doc_string.split('\n')[0].strip()
-    if re.search(builtin.__name__ + "\([\[\*a-zA-Z_].*\)", func_descriptor):
+    if re.search(builtin.__name__ + r"\([\[\*a-zA-Z_].*\)", func_descriptor):
         args_string = func_descriptor[func_descriptor.find('(') + 1:func_descriptor.rfind(')')]
         all_args_list = args_string.split(', ')
         args = []
-- 
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