Merge pull request #11 from asanger/main

fix(blobs): Fixes error when channel_values contain a null. #10

langgraph/checkpoint/mysql/utils.py

@@ -8,10 +8,11 @@
 
 
 def decode_base64_blob(base64_blob: MySQLBase64Blob) -> bytes:
+    if not base64_blob:
+        return None
     _, data = base64_blob.rsplit(":", 1)
     return base64.b64decode(data)
 
-
 class MySQLPendingWrite(NamedTuple):
     """
     The pending write tuple we receive from our DB query.