wb로 변경

app.py

@@ -42,7 +42,7 @@ def get_text_file(text_docs):
 def get_csv_file(csv_docs):
     temp_dir = tempfile.TemporaryDirectory()
     temp_filepath = os.path.join(temp_dir.name, csv_docs.name)
-    with open(temp_filepath, "w", encoding="utf-8") as f:
+    with open(temp_filepath, "wb") as f:
         f.write(csv_docs.getvalue())
     csv_loader = CSVLoader(temp_filepath)
     csv_docs = csv_loader.load()
@@ -51,7 +51,7 @@ def get_csv_file(csv_docs):
 def get_json_file(json_docs):
     temp_dir = tempfile.TemporaryDirectory()
     temp_filepath = os.path.join(temp_dir.name, json_docs.name)
-    with open(temp_filepath, "w") as f:
+    with open(temp_filepath, "wb") as f:
         f.write(json_docs.getvalue())
     json_loader = JSONLoader(temp_filepath, 'users[].firstName')
     json_docs = json_loader.load()