python: Elide type=str from argparse arguments.

tools/screenshots/generate-user-messages-screenshot

@@ -246,7 +246,6 @@ group = parser.add_mutually_exclusive_group(required=True)
 group.add_argument(
     "--thread",
     nargs="+",
-    type=str,
     help="Path of the file where the thread for screenshot is present",
 )
 fixture_group = parser.add_argument_group("thread")

zerver/management/commands/change_auth_backends.py

@@ -17,12 +17,10 @@ class Command(ZulipBaseCommand):
         group = parser.add_mutually_exclusive_group(required=True)
         group.add_argument(
             "--enable",
-            type=str,
             help="Name of the authentication backend to enable",
         )
         group.add_argument(
             "--disable",
-            type=str,
             help="Name of the authentication backend to disable",
         )
         group.add_argument(

zerver/management/commands/email_server.py

@@ -20,13 +20,11 @@ class Command(BaseCommand):
         parser.add_argument(
             "--user",
             help="User to drop privileges to, if started as root.",
-            type=str,
             required=(os.geteuid() == 0),
         )
         parser.add_argument(
             "--group",
             help="Group to drop privileges to, if started as root.",
-            type=str,
             required=(os.geteuid() == 0),
         )
         tls_cert: str | None = None
@@ -44,13 +42,11 @@ class Command(BaseCommand):
         parser.add_argument(
             "--tls-cert",
             help="Path to TLS certificate chain file",
-            type=str,
             default=tls_cert,
         )
         parser.add_argument(
             "--tls-key",
             help="Path to TLS private key file",
-            type=str,
             default=tls_key,
         )
 

zerver/management/commands/runtusd.py

@@ -14,9 +14,7 @@ class Command(BaseCommand):
 
     @override
     def add_arguments(self, parser: CommandParser) -> None:
-        parser.add_argument(
-            "listen", help="[Port, or address:port, to bind HTTP server to]", type=str
-        )
+        parser.add_argument("listen", help="[Port, or address:port, to bind HTTP server to]")
         local_port = 80
         config_file = get_config_file()
         if get_config(config_file, "application_server", "http_only", False):

zilencer/management/commands/manage_push_registration_encryption_keys.py

@@ -29,7 +29,6 @@ Usage:
         )
         parser.add_argument(
             "--remove-key",
-            type=str,
             metavar="PUBLIC_KEY",
             help="Remove the key pair associated with the given public key from the `push_registration_encryption_keys` map.",
         )