Update app.py

app.py

@@ -131,7 +131,7 @@ def setup():
 
         # Define a custom JSON loading function
         def json_loader(file_path):
-            with open(file_path, 'r') as file:
+            with open(file_path, 'r', encoding='utf-8-sig') as file:
                 data = json.load(file)
                 documents = []
                 for item in data:
@@ -173,4 +173,4 @@ def setup():
 
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run(app, host="0.0.0.0", port=8000)
+    uvicorn.run(app, host="0.0.0.0", port=8000)