improve typing in globals.py

nicegui/globals.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import asyncio
 import inspect
 import logging
@@ -10,12 +12,12 @@ from socketio import AsyncServer
 from uvicorn import Server
 
 from . import background_tasks
-from .app import App
-from .language import Language
 
 if TYPE_CHECKING:
     from .air import Air
+    from .app import App
     from .client import Client
+    from .language import Language
     from .slot import Slot
 
 
@@ -45,15 +47,15 @@ binding_refresh_interval: float
 tailwind: bool
 prod_js: bool
 endpoint_documentation: Literal['none', 'internal', 'page', 'all'] = 'none'
-air: Optional['Air'] = None
+air: Optional[Air] = None
 socket_io_js_query_params: Dict = {}
 socket_io_js_extra_headers: Dict = {}
 # NOTE we favor websocket over polling
 socket_io_js_transports: List[Literal['websocket', 'polling']] = ['websocket', 'polling']
 _socket_id: Optional[str] = None
-slot_stacks: Dict[int, List['Slot']] = {}
-clients: Dict[str, 'Client'] = {}
-index_client: 'Client'
+slot_stacks: Dict[int, List[Slot]] = {}
+clients: Dict[str, Client] = {}
+index_client: Client
 quasar_config: Dict = {
     'brand': {
         'primary': '#5898d4',
@@ -80,7 +82,7 @@ def get_task_id() -> int:
         return 0
 
 
-def get_slot_stack() -> List['Slot']:
+def get_slot_stack() -> List[Slot]:
     task_id = get_task_id()
     if task_id not in slot_stacks:
         slot_stacks[task_id] = []
@@ -93,11 +95,11 @@ def prune_slot_stack() -> None:
         del slot_stacks[task_id]
 
 
-def get_slot() -> 'Slot':
+def get_slot() -> Slot:
     return get_slot_stack()[-1]
 
 
-def get_client() -> 'Client':
+def get_client() -> Client:
     return get_slot().parent.client