From d167a9350c4b97b7de1d7a73d4cb925ec605d884 Mon Sep 17 00:00:00 2001
From: Philipp Verpoort <PhilippVerpoort@users.noreply.github.com>
Date: Wed, 21 Aug 2024 09:38:26 +0100
Subject: [PATCH] Bugfix in team.explode method. (#22)

There was a bug in the .team.explode() method, which cause the function to get caught in an endless loop. This is now fixed.
---
 python/posted/team.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/python/posted/team.py b/python/posted/team.py
index 738d7ac..1972810 100644
--- a/python/posted/team.py
+++ b/python/posted/team.py
@@ -139,12 +139,15 @@ def explode(self,
             if isinstance(fields, str) else fields
         )
         for field in fields:
-            df = df \
-                .assign(**{field: lambda df: df[field].apply(
-                    lambda cell: df[field].dropna().unique().tolist()
-                    if pd.isnull(cell) else cell
-                )}) \
+            explodable = pd.Series(
+                index=df.index,
+                data=len(df)*[df[field].dropna().unique().tolist()],
+            )
+            df = (
+                df
+                .assign(**{field: df[field].fillna(explodable)})
                 .explode(field)
+            )
 
         return df.reset_index(drop=True)