From 438020732e4dec004e850e684325321e2efb606d Mon Sep 17 00:00:00 2001
From: Karthikeyan Singaravelan <tir.karthi@gmail.com>
Date: Mon, 20 Jul 2020 21:15:51 +0530
Subject: [PATCH] Fix deprecation warning due to invalid escape sequences
 (#7895)

* Fix deprecation warnings due to invalid escape sequences.

* Add changelog

Signed-off-by: Karthikeyan Singaravelan <tir.karthi@gmail.com>
---
 changelog.d/7895.bugfix               | 1 +
 contrib/experiments/test_messaging.py | 8 ++++----
 2 files changed, 5 insertions(+), 4 deletions(-)
 create mode 100644 changelog.d/7895.bugfix

diff --git a/changelog.d/7895.bugfix b/changelog.d/7895.bugfix
new file mode 100644
index 0000000000..1ae7f8ca7c
--- /dev/null
+++ b/changelog.d/7895.bugfix
@@ -0,0 +1 @@
+Fix deprecation warning due to invalid escape sequences.
\ No newline at end of file
diff --git a/contrib/experiments/test_messaging.py b/contrib/experiments/test_messaging.py
index 3bbbcfa1b4..ac9079fe94 100644
--- a/contrib/experiments/test_messaging.py
+++ b/contrib/experiments/test_messaging.py
@@ -75,7 +75,7 @@ class InputOutput(object):
         """
 
         try:
-            m = re.match("^join (\S+)$", line)
+            m = re.match(r"^join (\S+)$", line)
             if m:
                 # The `sender` wants to join a room.
                 (room_name,) = m.groups()
@@ -84,7 +84,7 @@ class InputOutput(object):
                 # self.print_line("OK.")
                 return
 
-            m = re.match("^invite (\S+) (\S+)$", line)
+            m = re.match(r"^invite (\S+) (\S+)$", line)
             if m:
                 # `sender` wants to invite someone to a room
                 room_name, invitee = m.groups()
@@ -93,7 +93,7 @@ class InputOutput(object):
                 # self.print_line("OK.")
                 return
 
-            m = re.match("^send (\S+) (.*)$", line)
+            m = re.match(r"^send (\S+) (.*)$", line)
             if m:
                 # `sender` wants to message a room
                 room_name, body = m.groups()
@@ -102,7 +102,7 @@ class InputOutput(object):
                 # self.print_line("OK.")
                 return
 
-            m = re.match("^backfill (\S+)$", line)
+            m = re.match(r"^backfill (\S+)$", line)
             if m:
                 # we want to backfill a room
                 (room_name,) = m.groups()
-- 
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