Remove 3.8-specific typings

Author: Val Brodsky

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

@@ -1,13 +1,10 @@
-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
+
+from typing_extensions import 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

@@ -1,16 +1,10 @@
-import sys
+from typing import List, Optional
 
-from typing import Optional, List
-
-EXPORT_LIMIT = 30
+from typing_extensions import 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
 
 class DataRowParams(TypedDict):
     data_row_details: Optional[bool]

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

@@ -1,18 +1,13 @@
-import sys
 
-from typing import Optional, Dict
+from typing import Dict, Optional
+
+from pydantic import BaseModel, model_validator
+from typing_extensions import TypedDict
 
 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):
     """

libs/labelbox/src/labelbox/typing_imports.py

@@ -3,9 +3,4 @@
 don't have to worry about where they should be imported from.
 """
 
-import sys
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal