fix: Docs for streams

tmathern · tmathern · commit 3d072c2441d5 · 2025-08-25T15:32:01.000-07:00
diff --git a/src/c2pa/c2pa.py b/src/c2pa/c2pa.py
@@ -2215,6 +2215,9 @@ def sign(
               opened in w+b (write+read binary) mode.
             signer: The signer to use
 
+        Returns:
+            Manifest bytes
+
         Raises:
             C2paError: If there was an error during signing
         """
