From 35506069575d2f77a1302d392bc6275e5b352f3a Mon Sep 17 00:00:00 2001
From: JB Kurland <65054169+JustinKurland@users.noreply.github.com>
Date: Thu, 19 Oct 2023 17:37:36 -0400
Subject: [PATCH] Update pad.py

---
 src/pytimetk/core/pad.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/pytimetk/core/pad.py b/src/pytimetk/core/pad.py
index 402a00eb..a2de95a8 100644
--- a/src/pytimetk/core/pad.py
+++ b/src/pytimetk/core/pad.py
@@ -144,6 +144,15 @@ def pad_by_time(
         
         padded_df.sort_values(by=[date_column], inplace=True)
         padded_df.reset_index(drop=True, inplace=True)
+
+        col_name = padded_df.columns[padded_df.nunique() == 1]
+        if not col_name.empty:
+            col_name = col_name[0]
+        else:
+            col_name = None
+
+        if col_name is not None:
+            padded_df = padded_df.assign(**{f'{col_name}': padded_df[col_name].ffill()})
         
         return padded_df