cr

langchain/document_loaders/__init__.py

@@ -56,7 +56,6 @@
 from langchain.document_loaders.url import UnstructuredURLLoader
 from langchain.document_loaders.web_base import WebBaseLoader
 from langchain.document_loaders.whatsapp_chat import WhatsAppChatLoader
-
 from langchain.document_loaders.word_document import UnstructuredWordDocumentLoader
 from langchain.document_loaders.youtube import (
     GoogleApiClient,

langchain/document_loaders/whatsapp_chat.py

@@ -5,10 +5,12 @@
 from langchain.docstore.document import Document
 from langchain.document_loaders.base import BaseLoader
 
+
 def concatenate_rows(date: str, sender: str, text: str) -> str:
     """Combine message information in a readable format ready to be used."""
     return f"{sender} on {date}: {text}\n\n"
 
+
 class WhatsAppChatLoader(BaseLoader):
     """Loader that loads WhatsApp messages text file."""
 
@@ -26,7 +28,8 @@ def load(self) -> List[Document]:
 
         for line in lines:
             result = re.match(
-                r"(\d{1,2}/\d{1,2}/\d{2,4}, \d{1,2}:\d{1,2} (?:AM|PM)) - (.*?): (.*)", line.strip()
+                r"(\d{1,2}/\d{1,2}/\d{2,4}, \d{1,2}:\d{1,2} (?:AM|PM)) - (.*?): (.*)",
+                line.strip(),
             )
             if result:
                 date, sender, text = result.groups()