diff --git a/projects/flow.gmx-lysozyme-in-water/project.py b/projects/flow.gmx-lysozyme-in-water/project.py
index 22a7c2c..7f4c7fb 100644
--- a/projects/flow.gmx-lysozyme-in-water/project.py
+++ b/projects/flow.gmx-lysozyme-in-water/project.py
@@ -239,7 +239,9 @@ def grompp_md(job):
 
 @MyProject.pre.after(grompp_md)
 @MyProject.post(finished)
-@MyProject.operation(cmd=True, directives={"nranks": 4, "omp_num_threads": 4}, with_job=True)
+@MyProject.operation(
+    cmd=True, directives={"nranks": 4, "omp_num_threads": 4}, with_job=True
+)
 def md(job):
     return _mdrun_str("md").format(job)