Add type annotation to Prediction and Training status fields

replicate/prediction.py

@@ -1,7 +1,7 @@
 import re
 import time
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, Any, Dict, Iterator, List, Optional, Union
+from typing import TYPE_CHECKING, Any, Dict, Iterator, List, Literal, Optional, Union
 
 from typing_extensions import NotRequired, TypedDict, Unpack
 
@@ -37,7 +37,7 @@ class Prediction(Resource):
     version: str
     """An identifier for the version of the model used to create the prediction."""
 
-    status: str
+    status: Literal["starting", "processing", "succeeded", "failed", "canceled"]
     """The status of the prediction."""
 
     input: Optional[Dict[str, Any]]

replicate/training.py

@@ -3,6 +3,7 @@
     Any,
     Dict,
     List,
+    Literal,
     Optional,
     Tuple,
     TypedDict,
@@ -48,7 +49,7 @@ class Training(Resource):
     destination: Optional[str]
     """The model destination of the training."""
 
-    status: str
+    status: Literal["starting", "processing", "succeeded", "failed", "canceled"]
     """The status of the training."""
 
     input: Optional[Dict[str, Any]]

tests/test_run.py

@@ -121,7 +121,7 @@ def prediction_with_status(status: str) -> dict:
     router.route(method="POST", path="/predictions").mock(
         return_value=httpx.Response(
             201,
-            json=prediction_with_status("running"),
+            json=prediction_with_status("processing"),
         )
     )
     router.route(method="GET", path="/predictions/p1").mock(