diff --git a/scripts/lib/node_cache.py b/scripts/lib/node_cache.py
index 27f7f8c9ba..19a709668f 100644
--- a/scripts/lib/node_cache.py
+++ b/scripts/lib/node_cache.py
@@ -34,11 +34,11 @@ def generate_sha1sum_node_modules(
     PACKAGE_JSON_FILE_PATH = os.path.join(setup_dir, "package.json")
     YARN_LOCK_FILE_PATH = os.path.join(setup_dir, "yarn.lock")
     data: Dict[str, object] = {}
-    with open(PACKAGE_JSON_FILE_PATH, "r") as f:
+    with open(PACKAGE_JSON_FILE_PATH) as f:
         data[PACKAGE_JSON_FILE_PATH] = f.read().strip()
     if os.path.exists(YARN_LOCK_FILE_PATH):
         # For backwards compatibility, we can't assume yarn.lock exists
-        with open(YARN_LOCK_FILE_PATH, "r") as f:
+        with open(YARN_LOCK_FILE_PATH) as f:
             data[YARN_LOCK_FILE_PATH] = f.read().strip()
     with open(YARN_PACKAGE_JSON) as f:
         data["yarn-package-version"] = json.load(f)["version"]
diff --git a/scripts/lib/puppet_cache.py b/scripts/lib/puppet_cache.py
index 7440f8f7a0..dc1cd50907 100644
--- a/scripts/lib/puppet_cache.py
+++ b/scripts/lib/puppet_cache.py
@@ -18,7 +18,7 @@ PUPPET_THIRDPARTY = os.path.join(PUPPET_MODULES_CACHE_PATH, "current")
 
 def generate_sha1sum_puppet_modules() -> str:
     data = {}
-    with open(PUPPET_DEPS_FILE_PATH, "r") as fb:
+    with open(PUPPET_DEPS_FILE_PATH) as fb:
         data["deps.yaml"] = fb.read().strip()
     data["puppet-version"] = subprocess.check_output(
         # This is 10x faster than `puppet --version`
@@ -57,7 +57,7 @@ def do_puppet_module_install(
         puppet_env["RUBYOPT"] = "-W0"
 
     os.makedirs(target_path, exist_ok=True)
-    with open(PUPPET_DEPS_FILE_PATH, "r") as yaml_file:
+    with open(PUPPET_DEPS_FILE_PATH) as yaml_file:
         deps = yaml.safe_load(yaml_file)
         for module, version in deps.items():
             run(
diff --git a/scripts/setup/compare-settings-to-template b/scripts/setup/compare-settings-to-template
index fe662478c4..ced009cc23 100755
--- a/scripts/setup/compare-settings-to-template
+++ b/scripts/setup/compare-settings-to-template
@@ -17,7 +17,7 @@ if len(sys.argv) >= 2:
     current_path = sys.argv[1]
 
 print(f"Reading current configuration from {current_path}...")
-with open(current_path, "r") as f:
+with open(current_path) as f:
     current_contents = f.read()
 
 import requests
diff --git a/scripts/zulip-puppet-apply b/scripts/zulip-puppet-apply
index 9767604838..26c97e82a6 100755
--- a/scripts/zulip-puppet-apply
+++ b/scripts/zulip-puppet-apply
@@ -75,7 +75,7 @@ if not args.noop and not args.force:
             env=puppet_env,
         )
 
-        with open(lastrun_file.name, "r") as lastrun:
+        with open(lastrun_file.name) as lastrun:
             lastrun_data = yaml.safe_load(lastrun)
             if lastrun_data.get("resources", {}).get("out_of_sync", 0) == 0:
                 sys.exit(0)
diff --git a/zerver/openapi/test_curl_examples.py b/zerver/openapi/test_curl_examples.py
index 1b6cd04194..9753594b10 100644
--- a/zerver/openapi/test_curl_examples.py
+++ b/zerver/openapi/test_curl_examples.py
@@ -41,7 +41,7 @@ def test_generated_curl_examples_for_success(client: Client) -> None:
     rest_endpoints_path = os.path.join(
         settings.DEPLOY_ROOT, "templates/zerver/help/include/rest-endpoints.md"
     )
-    rest_endpoints_raw = open(rest_endpoints_path, "r").read()
+    rest_endpoints_raw = open(rest_endpoints_path).read()
     ENDPOINT_REGEXP = re.compile(r"/api/\s*(.*?)\)")
     endpoint_list = sorted(set(re.findall(ENDPOINT_REGEXP, rest_endpoints_raw)))
 
@@ -51,7 +51,7 @@ def test_generated_curl_examples_for_success(client: Client) -> None:
         curl_commands_to_test = []
 
         if os.path.exists(file_name):
-            f = open(file_name, "r")
+            f = open(file_name)
             for line in f:
                 # A typical example from the Markdown source looks like this:
                 #     {generate_code_example(curl, ...}