Fix requirements conflict

requirements.txt

@@ -5,7 +5,7 @@ dacite            ~= 1.8.1
 fastapi           ~= 0.103.1
 pyarrow           ~= 13.0.0
 requests          ~= 2.31.0
-starlette         ~= 0.31.0
+starlette         ~= 0.27.0
 python-magic      ~= 0.4.27
 uvicorn[standard] ~= 0.23.2
 # Test