From 8ae15011b9978bf9bdc14fca9df7d297617c813f Mon Sep 17 00:00:00 2001
From: rakow <rakow@vsp.tu-berlin.de>
Date: Tue, 23 Jul 2024 08:07:08 +0200
Subject: [PATCH] fix error in existing directory

---
 matsim/calibration/run_simulations.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/matsim/calibration/run_simulations.py b/matsim/calibration/run_simulations.py
index 2d51a94..38dbdaa 100644
--- a/matsim/calibration/run_simulations.py
+++ b/matsim/calibration/run_simulations.py
@@ -159,8 +159,7 @@ def run(jar: Union[str, os.PathLike],
     if worker_id >= workers:
         raise ValueError("Worker ID must be smaller than number of workers (starts at 0).")
 
-    if not os.path.exists("eval-runs"):
-        makedirs("eval-runs")
+    makedirs("eval-runs", exist_ok=True)
 
     for i in range(runs):
         if i % workers != worker_id: