Merge branch 'issue5308' of github.com:spacewasp/mitmproxy into issue…

…5308

test/mitmproxy/proxy/test_server.py

@@ -16,27 +16,30 @@ def initialize_command() -> commands.OpenConnection:
     )
     return c
 
+
 def server_connect_error_cb(hook_data: server_hooks.ServerConnectionHookData):
     global hook_triggered
     hook_triggered = True
 
+
 def mock_simple_connection_handler_init(self):
     self.client = Client(peername=("client", 1234), sockname=("server", 5678))
     self.hook_handlers = {
         server_hooks.ServerConnectErrorHook.name: server_connect_error_cb
-        }
+    }
     self.max_conns = collections.defaultdict(lambda: asyncio.Semaphore(5))
     self.timeout_watchdog = server.TimeoutWatchdog(0, lambda x: None)
 
+
 def test_server_connect_error(monkeypatch):
     global hook_triggered
     hook_triggered = False
 
     monkeypatch.setattr(
         server.SimpleConnectionHandler, "__init__", mock_simple_connection_handler_init
     )
-    
+
     s = server.SimpleConnectionHandler()
     asyncio.run(s.open_connection(initialize_command()))
-    
+
     assert hook_triggered