Update app/main.py

app/main.py

@@ -19,7 +19,7 @@ logger = logging.getLogger(__name__)
 class Chunker:
     def __init__(self, strategy, split_seq=".", chunk_len=512):
         self.split_seq = split_seq
-        self.chunk_len = chunk_len
+        self.chunk_len = int(chunk_len)
         if strategy == "recursive":
             self.split = RecursiveCharacterTextSplitter(
                 chunk_size=chunk_len,