Use ruff formatting

utils/csv_export.py

@@ -115,14 +115,14 @@ async def export_referrals_csv(referrer_tg_id: int, session: Any) -> BufferedInp
         WHERE r.referrer_tg_id = $1
         ORDER BY r.referred_tg_id
         """,
-        referrer_tg_id
+        referrer_tg_id,
     )
 
     if not rows:
         return None
 
     output = StringIO()
-    writer = csv.writer(output, delimiter=';')
+    writer = csv.writer(output, delimiter=";")
     writer.writerow(["Приглашённый (tg_id)", "Имя"])
 
     for row in rows:
@@ -136,4 +136,4 @@ async def export_referrals_csv(referrer_tg_id: int, session: Any) -> BufferedInp
     csv_data = output.getvalue().encode("utf-8")
     filename = f"referrals_{referrer_tg_id}.csv"
 
-    return BufferedInputFile(file=csv_data, filename=filename)
+    return BufferedInputFile(file=csv_data, filename=filename)