diff --git a/app/core/redis_client.py b/app/core/redis_client.py
index 0e8175b..5b94908 100644
--- a/app/core/redis_client.py
+++ b/app/core/redis_client.py
@@ -1,6 +1,6 @@
 import logging
-import os
 import time
+from contextlib import contextmanager
 from datetime import datetime
 from typing import Any, Protocol
 
@@ -146,7 +146,7 @@ def client(self) -> Redis:
         return FakeRedis()
 
     def lock(self, name: str, blocking_timeout: float | int) -> Any:
-        return self.client.lock(name, blocking_timeout=blocking_timeout)
+        return fake_lock_context()
 
     def setnx(self, name: RedisKey, value: RedisValue) -> RedisResponse:
         if name not in self.db:
@@ -165,4 +165,9 @@ def now(self) -> datetime:
         return dtaware_fromtimestamp(self.time())
 
 
+@contextmanager
+def fake_lock_context():
+    yield None
+
+
 redis = TestRedisClient() if get_settings().is_test else RedisClient()
diff --git a/app/data/scripts/update_test_data/update_test_get_unicode_character_details.py b/app/data/scripts/update_test_data/update_test_get_unicode_character_details.py
index 407cedf..02d1a4b 100644
--- a/app/data/scripts/update_test_data/update_test_get_unicode_character_details.py
+++ b/app/data/scripts/update_test_data/update_test_get_unicode_character_details.py
@@ -17,9 +17,9 @@
     "∑",        # U+2211    N-ARY SUMMATION                                  (Math Symbol)
     "㑢",       # U+3462    CJK UNIFIED IDEOGRAPH-3462                       (CJK Ideograph)
     "穩",       # U+7A69    CJK UNIFIED IDEOGRAPH-7A69                       (CJK Ideograph w/ variants)
-    "范",       # U+8303    CJK UNIFIED IDEOGRAPH-8303                       (CJK Ideograph w/ multiple values for totalStrokes)
-    # "\uda92",   # U+DA92    <surrogate-DA92>                                 (High-Surrogate)
-    # "\udddd",   # U+DDDD    <surrogate-DDDD>                                 (Low Surrogate)
+    "范",       # U+8303    CJK UNIFIED IDEOGRAPH-8303                       (CJK Ideograph w/ multiple values for totalStrokes)     # noqa: E501
+    # "\uda92",   # U+DA92    <surrogate-DA92>                                 (High-Surrogate)                                     # noqa: ERA001, E501
+    # "\udddd",   # U+DDDD    <surrogate-DDDD>                                 (Low Surrogate)                                      # noqa: ERA001, E501
     "﨑",       # U+FA11    CJK COMPATIBILITY IDEOGRAPH-FA11                 (CJK Compatibility Ideograph)
     "\uf800",   # U+F800    <private-use-F800>                               (Private Use)
     "\ufffe",   # U+FFFE    <noncharacter-FFFE>                              (Noncharacter)
diff --git a/pyproject.toml b/pyproject.toml
index 6d6f910..73e72ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,13 +38,15 @@ exclude =  '''
 
 [tool.ruff]
 line-length = 120
+
+[tool.ruff.lint]
 select = ["B", "C4", "C90", "E", "ERA", "F", "FA", "I", "INT", "N", "PERF", "PGH", "PIE", "PLE", "PLW", "PTH", "RUF100", "SIM", "UP", "W", "YTT"]
 extend-select = ["I"]
 ignore = ["B019", "B905"]
 fixable = ["I"]
 unfixable = ["B", "C90", "PIE", "SIM"]
 
-[tool.ruff.per-file-ignores]
+[tool.ruff.lint.per-file-ignores]
 "app/api/api_v1/dependencies.py" = ["E501"]
 "app/docs/dependencies/custom_parameters.py" = ["E501"]
 "app/docs/dependencies/filter_tables.py" = ["E501"]