From 701faacecb31c7c72f59a0bf0aa813c12e56dc45 Mon Sep 17 00:00:00 2001
From: Janosh Riebesell <janosh.riebesell@gmail.com>
Date: Wed, 7 Aug 2024 13:39:52 -0400
Subject: [PATCH] map(str, box)

---
 src/pymatgen/io/packmol.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pymatgen/io/packmol.py b/src/pymatgen/io/packmol.py
index eab0bd094c6..9ff4caed216 100644
--- a/src/pymatgen/io/packmol.py
+++ b/src/pymatgen/io/packmol.py
@@ -184,7 +184,7 @@ def get_input_set(
             file_contents.append(f"output {self.outputfile}\n")
 
         if box:
-            box_list: str = " ".join(str(i) for i in box)
+            box_list = " ".join(map(str, box))
         else:
             # Estimate the total volume of all molecules in cubic Å
             net_volume: float = 0.0