feat: relax typing_extensions version constraint

widgetti · Jul 22, 2024 · b8f8c0d · b8f8c0d
1 parent 16518bf
commit b8f8c0d
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -11,7 +11,7 @@ license = {file = "LICENSE"}
 dynamic = ["version", "description"]
 dependencies = [
     "ipywidgets",
-    "typing_extensions >= 4.1.1",
+    "typing_extensions >= 3.7.0",
 ]
 
 classifiers = [

diff --git a/reacton/core.py b/reacton/core.py
@@ -40,7 +40,6 @@
 import ipywidgets
 import ipywidgets as widgets
 import traitlets
-import typing_extensions
 from typing_extensions import Literal, Protocol
 
 import reacton.logging  # noqa: F401  # has sidefx
@@ -87,7 +86,12 @@ def get():
 V = TypeVar("V")  # used for value type of widget
 V2 = TypeVar("V2")  # used for value type of widget
 E = TypeVar("E")  # used for elements
-P = typing_extensions.ParamSpec("P")
+
+try:
+    from typing_extensions import ParamSpec
+    P = ParamSpec("P")
+except ImportError:
+    P = ...
 
 WidgetOrList = Union[widgets.Widget, List[widgets.Widget]]
 EffectCleanupCallable = Callable[[], None]