use list comprehension instead of loop

Co-authored-by: Max Fischer <[email protected]>

tardis/adapters/sites/slurm.py

@@ -60,10 +60,9 @@ async def squeue(
     else:
         # Not all lines returned in slurm_status.stdout belong to the actual squeue output
         # Only keep lines containing the delimiter
-        cleaned_stdout = []
-        for row in slurm_status.stdout.splitlines():
-            if "|" in row:
-                cleaned_stdout.append(row)
+        cleaned_stdout = [
+            row for row in slurm_status.stdout.splitlines() if "|" in row
+        ]
         for row in csv_parser(
             "\n".join(cleaned_stdout), fieldnames=tuple(attributes.keys()), delimiter="|"
         ):