fix annotations for python < 3.10

Author: sethbuff

tests/test_knn_expression.py

@@ -1,7 +1,7 @@
 # type: ignore
 import abc
 import struct
-import time
+from typing import Optional
 
 import pytest_asyncio
 
@@ -30,7 +30,7 @@ class Meta:
     class Member(BaseJsonModel, index=True):
         name: str
         embeddings: list[list[float]] = Field([], vector_options=vector_field_options)
-        embeddings_score: float | None = None
+        embeddings_score: Optional[float] = None
 
     await Migrator().run()
 

tests/test_pydantic_integrations.py

@@ -1,6 +1,7 @@
 import abc
 import datetime
 from collections import namedtuple
+from typing import Optional
 
 import pytest
 import pytest_asyncio
@@ -55,7 +56,7 @@ def test_validator_sets_value_on_init():
     value = "bar"
 
     class ModelWithValidator(HashModel):
-        field: str | None = Field(default=None, index=True)
+        field: Optional[str] = Field(default=None, index=True)
 
         @field_validator("field", mode="after")
         def set_field(cls, v):