diff --git a/5/web/api.py b/5/web/api.py
index 0496bcd..46a0565 100644
--- a/5/web/api.py
+++ b/5/web/api.py
@@ -24,6 +24,7 @@ def daj_dane(plik):
 
 app = FastAPI()
 
+
 origins = ["*"]
 
 app.add_middleware(
@@ -34,6 +35,7 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
+
 @app.post('/invoice')
 async def root(file: UploadFile):
     return daj_dane(file.file.read())