Removed 3.8-specific typings

Author: Val Brodsky

libs/labelbox/src/labelbox/schema/export_filters.py

@@ -1,13 +1,7 @@
-import sys
-
 from datetime import datetime, timezone
-from typing import Collection, Dict, Tuple, List, Optional
-from labelbox.typing_imports import Literal
+from typing import Collection, Dict, List, Optional, Tuple, TypedDict
 
-if sys.version_info >= (3, 8):
-    from typing import TypedDict
-else:
-    from typing_extensions import TypedDict
+from labelbox.typing_imports import Literal
 
 SEARCH_LIMIT_PER_EXPORT_V2 = 2_000
 ISO_8061_FORMAT = "%Y-%m-%dT%H:%M:%S%z"

libs/labelbox/src/labelbox/schema/export_params.py

@@ -1,14 +1,7 @@
-import sys
-
-from typing import Optional, List
+from typing import List, Optional, TypedDict
 
 from labelbox.schema.media_type import MediaType
 
-if sys.version_info >= (3, 8):
-    from typing import TypedDict
-else:
-    from typing_extensions import TypedDict
-
 EXPORT_LIMIT = 30
 
 

libs/labelbox/src/labelbox/schema/send_to_annotate_params.py

@@ -1,18 +1,11 @@
-import sys
+from typing import Dict, Optional, TypedDict
 
-from typing import Optional, Dict
+from pydantic import BaseModel, model_validator
 
 from labelbox.schema.conflict_resolution_strategy import (
     ConflictResolutionStrategy,
 )
 
-if sys.version_info >= (3, 8):
-    from typing import TypedDict
-else:
-    from typing_extensions import TypedDict
-
-from pydantic import BaseModel, model_validator
-
 
 class SendToAnnotateFromCatalogParams(BaseModel):
     """