Переделал логику изменения данных

app/users/router.py

@@ -212,6 +212,14 @@ async def change_user_data(user_data: SUserChangeData, user=Depends(get_current_
 	else:
 		hashed_password = user.hashed_password
 	async with uow:
+		if not user_data.avatar_url:
+			await uow.user.change_data(
+				user_id=user.id,
+				email=user_data.email,
+				username=user_data.username,
+				hashed_password=hashed_password
+			)
+		else:
 			await uow.user.change_data(
 				user_id=user.id,
 				email=user_data.email,

app/users/schemas.py

@@ -69,7 +69,7 @@ class SUserChangeData(BaseModel):
 	email: EmailStr
 	username: str = Query(None, min_length=2, max_length=30)
 	new_password: str | None = Query(None, min_length=8)
-	avatar_url: HttpUrl
+	avatar_url: HttpUrl | None
 
 
 class STokenLogin(BaseModel):