From c5de5e7a1127b0caed88089411d1914defba7f34 Mon Sep 17 00:00:00 2001
From: mullinscr <mullinscr@gmail.com>
Date: Mon, 26 Sep 2022 16:19:22 +0100
Subject: [PATCH] Stops the pandas future warning

---
 naptan/naptan.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/naptan/naptan.py b/naptan/naptan.py
index 2b0e987..f87e7ee 100644
--- a/naptan/naptan.py
+++ b/naptan/naptan.py
@@ -188,7 +188,7 @@ def to_dataframe(self) -> pd.DataFrame:
         pd.DataFrame
             The converted StopList.
         """
-        return pd.DataFrame([asdict(stop) for stop in self]).replace('', None)
+        return pd.DataFrame([asdict(stop) for stop in self])
 
     def filter(
             self,