remove slots from dataclass definition (only 3.10+)
@@ -75,7 +75,8 @@ class FontMode(enum.IntEnum):
NO_DATA: Sequence[int] = tuple()
-@dataclasses.dataclass(slots=True)
+# slots=True - Python 3.10+
+@dataclasses.dataclass
class Symbol:
number: int
name: str
