diff --git a/executorlib/interactive/slurm.py b/executorlib/interactive/slurm.py
index 8c962529..7ed465d1 100644
--- a/executorlib/interactive/slurm.py
+++ b/executorlib/interactive/slurm.py
@@ -7,7 +7,9 @@
 
 
 def validate_max_workers(max_workers: int, cores: int, threads_per_core: int):
-    cores_total = int(os.environ["SLURM_NTASKS"]) * int(os.environ["SLURM_CPUS_PER_TASK"])
+    cores_total = int(os.environ["SLURM_NTASKS"]) * int(
+        os.environ["SLURM_CPUS_PER_TASK"]
+    )
     cores_requested = max_workers * cores * threads_per_core
     if cores_total < cores_requested:
         raise ValueError(