Replace X-Sync header with Prefer: wait

mattt · mattt · commit 0ef89294e907 · 2024-09-25T11:11:11.000-07:00
Signed-off-by: Mattt Zmuda &lt;mattt@replicate.com&gt;
diff --git a/replicate/prediction.py b/replicate/prediction.py
@@ -617,7 +617,7 @@ def _create_prediction_headers(
     headers = {}
 
     if block:
-        headers["X-Sync"] = "true"
+        headers["Prefer"] = "wait"
 
     return headers
 
