Literal type hint from typing_extensions

pomponchik · Apr 26, 2024 · 3447604 · 3447604
1 parent 7807d14
commit 3447604
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diff --git a/metronomes/metronome.py b/metronomes/metronome.py
@@ -1,4 +1,10 @@
-from typing import Type, Callable, Union, Optional, Any, Literal
+from typing import Type, Callable, Union, Optional, Any
+
+try:
+    from typing import Literal
+except ImportError:  # pragma: no cover
+    from typing_extensions import Literal  # type: ignore[assignment]
+
 from threading import Thread, RLock
 from time import perf_counter, sleep
 from functools import partial

diff --git a/pyproject.toml b/pyproject.toml
@@ -16,6 +16,7 @@ dependencies = [
     'cantok>=0.0.22',
     'escaping>=0.0.11',
     'locklib>=0.0.15',
+    'typing_extensions ; python_version < "3.8"',
 ]
 classifiers = [
     'Operating System :: OS Independent',