chore: update code to Python 3.10 syntax

src/dandisets_linkml_status_tools/cli/models.py

@@ -1,6 +1,6 @@
 from collections.abc import Sequence
 from datetime import datetime
-from typing import Annotated, Any, NamedTuple, Union
+from typing import Annotated, Any, NamedTuple
 
 from dandi.dandiapi import VersionStatus
 from jsonschema.exceptions import ValidationError
@@ -17,8 +17,8 @@ class JsonValidationErrorView(BaseModel):
     """
 
     message: str
-    absolute_path: Sequence[Union[str, int]]
-    absolute_schema_path: Sequence[Union[str, int]]
+    absolute_path: Sequence[str | int]
+    absolute_schema_path: Sequence[str | int]
     validator: str
     validator_value: Any
 

src/dandisets_linkml_status_tools/cli/tools.py

@@ -7,7 +7,7 @@
 from itertools import chain
 from pathlib import Path
 from shutil import rmtree
-from typing import Any, NamedTuple, Optional
+from typing import Any, NamedTuple
 
 from dandi.dandiapi import RemoteDandiset
 from dandischema.models import Dandiset, PublishedDandiset
@@ -73,9 +73,9 @@ class DandiModelLinkmlValidator:
     """
 
     # The LinkML schema produced by the pydantic2linkml translator for DANDI models
-    _dandi_linkml_schema: Optional[SchemaDefinition] = None
+    _dandi_linkml_schema: SchemaDefinition | None = None
 
-    def __init__(self, validation_plugins: Optional[list[ValidationPlugin]] = None):
+    def __init__(self, validation_plugins: list[ValidationPlugin] | None = None):
         """
         Initialize a `DandiModelLinkmlValidator` instance that wraps a LinkML validator
         instance set up with schema produced by the pydantic2linkml translator,
@@ -448,7 +448,7 @@ def sorting_key(
             return c[0].validator, -c[1]
 
         return sorted(
-            chain.from_iterable(zip(t, c) for t, c in counter.values()), key=sorting_key
+            chain.from_iterable(zip(t, c, strict=False) for t, c in counter.values()), key=sorting_key
         )
 
     # A dictionary that keeps the counts of individual types of JSON schema validation