Update preprocess.py

preprocess.py

@@ -5,7 +5,10 @@ from langchain_community.document_loaders import UnstructuredAPIFileLoader
 
 def load_documents_OCR(file_path, unstructured_api):
     """Load documents that require OCR via unstructured."""
-    loader = UnstructuredAPIFileLoader(file_path=file_path, api_key=unstructured_api,mode='paged')
+    loader = UnstructuredAPIFileLoader(file_path=file_path, 
+                                       api_key=unstructured_api,
+                                       url='https://paf-stkjy1b5.api.unstructuredapp.io/',
+                                       mode='paged')
     documents = loader.load()
     return documents