From b234710af905ad510c833b511397386413d86427 Mon Sep 17 00:00:00 2001
From: Bowen Liang <liangbowen@gf.com.cn>
Date: Sun, 2 Jun 2024 10:02:37 +0800
Subject: [PATCH] chore: fix invalid escape sequences by applying W605 rule
 (#4851)

---
 api/core/splitter/text_splitter.py          | 12 ++++++------
 api/pyproject.toml                          |  1 +
 api/services/workflow/workflow_converter.py |  2 +-
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/api/core/splitter/text_splitter.py b/api/core/splitter/text_splitter.py
index 4cb3b6bf8a..09f6ceb905 100644
--- a/api/core/splitter/text_splitter.py
+++ b/api/core/splitter/text_splitter.py
@@ -701,7 +701,7 @@ class RecursiveCharacterTextSplitter(TextSplitter):
                 # Split along section titles
                 "\n=+\n",
                 "\n-+\n",
-                "\n\*+\n",
+                "\n\\*+\n",
                 # Split along directive markers
                 "\n\n.. *\n\n",
                 # Split by the normal type of lines
@@ -800,7 +800,7 @@ class RecursiveCharacterTextSplitter(TextSplitter):
                 # End of code block
                 "```\n",
                 # Horizontal lines
-                "\n\*\*\*+\n",
+                "\n\\*\\*\\*+\n",
                 "\n---+\n",
                 "\n___+\n",
                 # Note that this splitter doesn't handle horizontal lines defined
@@ -813,10 +813,10 @@ class RecursiveCharacterTextSplitter(TextSplitter):
         elif language == Language.LATEX:
             return [
                 # First, try to split along Latex sections
-                "\n\\\chapter{",
-                "\n\\\section{",
-                "\n\\\subsection{",
-                "\n\\\subsubsection{",
+                "\n\\\\chapter{",
+                "\n\\\\section{",
+                "\n\\\\subsection{",
+                "\n\\\\subsubsection{",
                 # Now split by environments
                 "\n\\\begin{enumerate}",
                 "\n\\\begin{itemize}",
diff --git a/api/pyproject.toml b/api/pyproject.toml
index ac5b4b1561..e26c35a6d8 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -15,6 +15,7 @@ select = [
     "UP",   # pyupgrade rules
     "RUF019", # unnecessary-key-check
     "S506", # unsafe-yaml-load
+    "W605", # invalid-escape-sequence
 ]
 ignore = [
     "F403", # undefined-local-with-import-star
diff --git a/api/services/workflow/workflow_converter.py b/api/services/workflow/workflow_converter.py
index 138a5d5786..d76cd4c7ff 100644
--- a/api/services/workflow/workflow_converter.py
+++ b/api/services/workflow/workflow_converter.py
@@ -305,7 +305,7 @@ class WorkflowConverter:
             }
 
             request_body_json = json.dumps(request_body)
-            request_body_json = request_body_json.replace('\{\{', '{{').replace('\}\}', '}}')
+            request_body_json = request_body_json.replace(r'\{\{', '{{').replace(r'\}\}', '}}')
 
             http_request_node = {
                 "id": f"http_request_{index}",