Support older Python

Inherit from `Generic[...]`
LiberTEM · Sep 13, 2024 · a0596df · a0596df
1 parent bc124a7
commit a0596df
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/libertem_schema/__init__.py b/src/libertem_schema/__init__.py
@@ -1,7 +1,7 @@
 from typing import Any, Sequence, Callable
 import functools
 
-from typing_extensions import TypeVar
+from typing_extensions import TypeVar, Generic
 
 import numpydantic
 import numpy as np
@@ -66,7 +66,7 @@ def _make_type(reference: pint.Quantity):
     DType = TypeVar('DType')
     Shape = TypeVar('Shape')
 
-    class Single[DType](pint.Quantity):
+    class Single(pint.Quantity, Generic[DType]):
         @classmethod
         def __get_pydantic_core_schema__(
             cls,
@@ -115,7 +115,7 @@ def validator(v: Any, info: ValidationInfo) -> pint.Quantity:
                 ),
             )
 
-    class Array[Shape, DType](pint.Quantity):
+    class Array(pint.Quantity, Generic[Shape, DType]):
         @classmethod
         def __get_pydantic_core_schema__(
             cls,