Use super().__init__ instead of explicitly calling named super-class. (#9166)

* Use super().__init__ instead of explicitly calling named super-class.

* Fix unittest (typo fix).

acme/acme/standalone.py

@@ -34,10 +34,9 @@ class TLSServer(socketserver.TCPServer):
         else:
             self.address_family = socket.AF_INET
         self.certs = kwargs.pop("certs", {})
-        self.method = kwargs.pop(
-            "method", crypto_util._DEFAULT_SSL_METHOD)
+        self.method = kwargs.pop("method", crypto_util._DEFAULT_SSL_METHOD)
         self.allow_reuse_address = kwargs.pop("allow_reuse_address", True)
-        socketserver.TCPServer.__init__(self, *args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def _wrap_sock(self) -> None:
         self.socket = crypto_util.SSLSocket(
@@ -190,7 +189,7 @@ class HTTPServer(BaseHTTPServer.HTTPServer):
             self.address_family = socket.AF_INET6
         else:
             self.address_family = socket.AF_INET
-        BaseHTTPServer.HTTPServer.__init__(self, *args, **kwargs)
+        super().__init__(*args, **kwargs)
 
 
 class HTTP01Server(HTTPServer, ACMEServerMixin):
@@ -198,8 +197,8 @@ class HTTP01Server(HTTPServer, ACMEServerMixin):
 
     def __init__(self, server_address: Tuple[str, int], resources: Set[challenges.HTTP01],
                  ipv6: bool = False, timeout: int = 30) -> None:
-        HTTPServer.__init__(
-            self, server_address, HTTP01RequestHandler.partial_init(
+        super().__init__(
+            server_address, HTTP01RequestHandler.partial_init(
                 simple_http_resources=resources, timeout=timeout), ipv6=ipv6)
 
 
@@ -208,7 +207,7 @@ class HTTP01DualNetworkedServers(BaseDualNetworkedServers):
        affect the other."""
 
     def __init__(self, *args: Any, **kwargs: Any) -> None:
-        BaseDualNetworkedServers.__init__(self, HTTP01Server, *args, **kwargs)
+        super().__init__(HTTP01Server, *args, **kwargs)
 
 
 class HTTP01RequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
@@ -226,7 +225,7 @@ class HTTP01RequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
     def __init__(self, *args: Any, **kwargs: Any) -> None:
         self.simple_http_resources = kwargs.pop("simple_http_resources", set())
         self._timeout = kwargs.pop('timeout', 30)
-        BaseHTTPServer.BaseHTTPRequestHandler.__init__(self, *args, **kwargs)
+        super().__init__(*args, **kwargs)
         self.server: HTTP01Server
 
     # In parent class BaseHTTPRequestHandler, 'timeout' is a class-level property but we

acme/tests/standalone_test.py

@@ -165,7 +165,6 @@ class TLSALPN01ServerTest(unittest.TestCase):
 class BaseDualNetworkedServersTest(unittest.TestCase):
     """Test for acme.standalone.BaseDualNetworkedServers."""
 
-
     class SingleProtocolServer(socketserver.TCPServer):
         """Server that only serves on a single protocol. FreeBSD has this behavior for AF_INET6."""
         def __init__(self, *args, **kwargs):
@@ -175,7 +174,7 @@ class BaseDualNetworkedServersTest(unittest.TestCase):
                 kwargs["bind_and_activate"] = False
             else:
                 self.address_family = socket.AF_INET
-            socketserver.TCPServer.__init__(self, *args, **kwargs)
+            super().__init__(*args, **kwargs)
             if ipv6:
                 # NB: On Windows, socket.IPPROTO_IPV6 constant may be missing.
                 # We use the corresponding value (41) instead.
@@ -202,7 +201,6 @@ class BaseDualNetworkedServersTest(unittest.TestCase):
 
         self.assertEqual(em.exception.errno, EADDRINUSE)
 
-
     def test_ports_equal(self):
         from acme.standalone import BaseDualNetworkedServers
         servers = BaseDualNetworkedServers(