diff --git a/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py b/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py
index 949b72e0bd..3eaf50b0bb 100644
--- a/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py
+++ b/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py
@@ -58,8 +58,7 @@ class PorticoDocumentationSpider(BaseDocumentationSpider):
     def _is_external_url(self, url: str) -> bool:
         return (
             not url.startswith("http://localhost:9981")
-            or url.startswith("http://localhost:9981/help")
-            or url.startswith("http://localhost:9981/api")
+            or url.startswith(("http://localhost:9981/help", "http://localhost:9981/api"))
             or self._has_extension(url)
         )
 
diff --git a/zerver/lib/export.py b/zerver/lib/export.py
index 6083a92d76..a9cd7d1d24 100644
--- a/zerver/lib/export.py
+++ b/zerver/lib/export.py
@@ -1157,7 +1157,7 @@ def export_usermessages_batch(
     management command).
 
     See write_message_partial_for_query for more context."""
-    assert input_path.endswith(".partial") or input_path.endswith(".locked")
+    assert input_path.endswith((".partial", ".locked"))
     assert output_path.endswith(".json")
 
     with open(input_path, "rb") as input_file:
diff --git a/zerver/lib/test_classes.py b/zerver/lib/test_classes.py
index 464e8d7f6d..59a4acdff4 100644
--- a/zerver/lib/test_classes.py
+++ b/zerver/lib/test_classes.py
@@ -264,7 +264,7 @@ Output:
         extensive test coverage of corner cases in the API to ensure that we've properly
         documented those corner cases.
         """
-        if not (url.startswith("/json") or url.startswith("/api/v1")):
+        if not url.startswith(("/json", "/api/v1")):
             return
         try:
             content = orjson.loads(result.content)
diff --git a/zerver/management/commands/makemessages.py b/zerver/management/commands/makemessages.py
index b2d9b5519c..073eed94de 100644
--- a/zerver/management/commands/makemessages.py
+++ b/zerver/management/commands/makemessages.py
@@ -192,7 +192,7 @@ class Command(makemessages.Command):
         for dirpath, dirnames, filenames in itertools.chain(
             os.walk("static/js"), os.walk("static/shared/js")
         ):
-            for filename in [f for f in filenames if f.endswith(".js") or f.endswith(".ts")]:
+            for filename in [f for f in filenames if f.endswith((".js", ".ts"))]:
                 if filename.startswith("."):
                     continue
                 with open(os.path.join(dirpath, filename)) as reader:
diff --git a/zerver/middleware.py b/zerver/middleware.py
index da64558faf..eb0266c067 100644
--- a/zerver/middleware.py
+++ b/zerver/middleware.py
@@ -113,11 +113,11 @@ def format_timedelta(timedelta: float) -> str:
 def is_slow_query(time_delta: float, path: str) -> bool:
     if time_delta < 1.2:
         return False
-    is_exempt = (
-        path in ["/activity", "/json/report/error", "/api/v1/deployments/report_error"]
-        or path.startswith("/realm_activity/")
-        or path.startswith("/user_activity/")
-    )
+    is_exempt = path in [
+        "/activity",
+        "/json/report/error",
+        "/api/v1/deployments/report_error",
+    ] or path.startswith(("/realm_activity/", "/user_activity/"))
     if is_exempt:
         return time_delta >= 5
     if "webathena_kerberos" in path:
diff --git a/zerver/webhooks/gitlab/view.py b/zerver/webhooks/gitlab/view.py
index 6f47adc952..d961b89b2d 100644
--- a/zerver/webhooks/gitlab/view.py
+++ b/zerver/webhooks/gitlab/view.py
@@ -458,7 +458,7 @@ def get_subject_based_on_event(
             if use_merge_request_title
             else "",
         )
-    elif event.startswith("Issue Hook") or event.startswith("Confidential Issue Hook"):
+    elif event.startswith(("Issue Hook", "Confidential Issue Hook")):
         return TOPIC_WITH_PR_OR_ISSUE_INFO_TEMPLATE.format(
             repo=get_repo_name(payload),
             type="issue",
diff --git a/zilencer/management/commands/rundjangoserver.py b/zilencer/management/commands/rundjangoserver.py
index 084be4a636..e3fb2d12f5 100644
--- a/zilencer/management/commands/rundjangoserver.py
+++ b/zilencer/management/commands/rundjangoserver.py
@@ -12,10 +12,8 @@ def output_styler(style_func: Callable[[str], str]) -> Callable[[str], str]:
 
     @wraps(style_func)
     def _wrapped_style_func(message: str) -> str:
-        if (
-            message == "Performing system checks...\n\n"
-            or message.startswith("System check identified no issues")
-            or message.startswith(date_prefix)
+        if message == "Performing system checks...\n\n" or message.startswith(
+            ("System check identified no issues", date_prefix)
         ):
             message = ""
         elif "Quit the server with " in message: