From 6ce599a6dc92bbe4474b44d61ab3fbbd208f08af Mon Sep 17 00:00:00 2001
From: John Kerl <kerl.john.r@gmail.com>
Date: Mon, 16 Sep 2024 21:51:13 +0000
Subject: [PATCH] WIP

---
 python-spec/src/somacore/options.py | 3 ++-
 python-spec/src/somacore/types.py   | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/python-spec/src/somacore/options.py b/python-spec/src/somacore/options.py
index 6a6e629f..83306594 100644
--- a/python-spec/src/somacore/options.py
+++ b/python-spec/src/somacore/options.py
@@ -5,7 +5,7 @@
 """
 
 import enum
-from typing import Any, Dict, Mapping, Optional, Sequence, TypeVar, Union
+from typing import Any, Dict, Mapping, Optional, Sequence, TypeVar, Tuple, Union
 
 import attrs
 import numpy as np
@@ -171,6 +171,7 @@ class ResultOrder(enum.Enum):
 
 SparseNDCoord = Union[
     None,
+    Tuple[int,...],
     ValSliceOrSequence[int],
     npt.NDArray[np.integer],
     pa.IntegerArray,
diff --git a/python-spec/src/somacore/types.py b/python-spec/src/somacore/types.py
index 5a64153f..61eb9123 100644
--- a/python-spec/src/somacore/types.py
+++ b/python-spec/src/somacore/types.py
@@ -8,6 +8,7 @@
 import sys
 from concurrent import futures
 from typing import TYPE_CHECKING, NoReturn, Optional, Sequence, Type, TypeVar
+from types import get_original_bases
 
 from typing_extensions import Protocol, TypeGuard
 
@@ -57,6 +58,10 @@ def stop(self) -> Optional[_T_co]: ...
     @property
     def step(self) -> Optional[_T_co]: ...
 
+    @property
+    def __orig_bases__(self) -> Any:
+        return get_original_bases(_T_co)
+
     if sys.version_info < (3, 10) and not TYPE_CHECKING:
         # Python 3.9 and below have a bug where any Protocol with an @property
         # was always regarded as runtime-checkable.