Fix Python 3.10 compatibility: add StrEnum fallback

rvc_logic/core/exceptions.py

@@ -7,7 +7,14 @@ from __future__ import annotations
 
 from typing import TYPE_CHECKING, Literal
 
-from enum import StrEnum
+from enum import Enum
+try:
+    from enum import StrEnum
+except ImportError:
+    class StrEnum(str, Enum):
+        def __str__(self) -> str:
+            return str(self.value)
+
 
 if TYPE_CHECKING:
     from rvc_logic.typing_extra import StrPath, TrainingSampleRate

rvc_logic/typing_extra.py

@@ -3,7 +3,14 @@
 from __future__ import annotations
 
 from collections.abc import Mapping, Sequence
-from enum import IntEnum, StrEnum
+from enum import IntEnum, Enum
+try:
+    from enum import StrEnum
+except ImportError:
+    class StrEnum(str, Enum):
+        def __str__(self) -> str:
+            return str(self.value)
+
 from os import PathLike
 
 type StrPath = str | PathLike[str]