fix flake8 ellipse complaint

Author: rmorshea

src/idom/core/hooks.py

@@ -10,6 +10,7 @@
 from threading import get_ident as get_thread_id
 from types import FunctionType
 from typing import (
+    TYPE_CHECKING,
     Any,
     Awaitable,
     Callable,
@@ -31,6 +32,11 @@
 from idom.utils import Ref
 
 
+if not TYPE_CHECKING:
+    # make flake8 think that this variable exists
+    ellipsis = type(...)
+
+
 __all__ = [
     "use_state",
     "use_effect",
@@ -103,22 +109,22 @@ def dispatch(
 @overload
 def use_effect(
     function: None = None,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> Callable[[_EffectApplyFunc], None]:
     ...
 
 
 @overload
 def use_effect(
     function: _EffectApplyFunc,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> None:
     ...
 
 
 def use_effect(
     function: Optional[_EffectApplyFunc] = None,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> Optional[Callable[[_EffectApplyFunc], None]]:
     """See the full :ref:`Use Effect` docs for details
 
@@ -215,22 +221,22 @@ def dispatch(action: _ActionType) -> None:
 @overload
 def use_callback(
     function: None = None,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> Callable[[_CallbackFunc], _CallbackFunc]:
     ...
 
 
 @overload
 def use_callback(
     function: _CallbackFunc,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> _CallbackFunc:
     ...
 
 
 def use_callback(
     function: Optional[_CallbackFunc] = None,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> Union[_CallbackFunc, Callable[[_CallbackFunc], _CallbackFunc]]:
     """See the full :ref:`Use Callback` docs for details
 
@@ -263,22 +269,22 @@ def __call__(self, func: Callable[[], _StateType]) -> _StateType:
 @overload
 def use_memo(
     function: None = None,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> _LambdaCaller:
     ...
 
 
 @overload
 def use_memo(
     function: Callable[[], _StateType],
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> _StateType:
     ...
 
 
 def use_memo(
     function: Optional[Callable[[], _StateType]] = None,
-    args: Sequence[Any] | "ellipsis" | None = ...,
+    args: Sequence[Any] | ellipsis | None = ...,
 ) -> Union[_StateType, Callable[[Callable[[], _StateType]], _StateType]]:
     """See the full :ref:`Use Memo` docs for details
 
@@ -364,7 +370,7 @@ def _use_const(function: Callable[[], _StateType]) -> _StateType:
 
 def _try_to_infer_closure_args(
     func: Callable[..., Any] | None,
-    args: Sequence[Any] | "ellipsis" | None,
+    args: Sequence[Any] | ellipsis | None,
 ) -> Sequence[Any] | None:
     if args is ...:
         if isinstance(func, FunctionType):