Update assistant_file_handler.py

assistant_file_handler.py

@@ -16,7 +16,7 @@ class FileHandler:
         self.log.info(f"File Handler: Reading File with {file_path}")
         file_obj = open(file_path, "rb")
         self.log.info("File Handler: Adding file")
-        file: FileObject = self.client.files.create(file=file_obj, purpose="assistants")
+        file: FileObject = self.client.files.create(file=file_obj, purpose="vision")
         self.log.info(f"File Handler: Created file object with id: {file.id}")
 
         return file