Fix lint from #1159 (#1258)

* Update modifier.py

* Update ci.yml

* Update modifier.py

Author: michaelmckinsey1

.github/workflows/ci.yml

@@ -60,6 +60,7 @@ jobs:
               - 'docs/conf.py'
               - 'experiments/**'
               - 'lib/**'
+              - 'modifiers/**'
               - 'repo/**'
               - 'systems/**'
               - 'var/**'

modifiers/allocation/modifier.py

@@ -488,7 +488,7 @@ def pbs_instructions(self, v):
         if v.n_gpus:
             gpus_per_rank = self.gpus_as_gpus_per_rank(v.n_gpus)
             node_spec.append(f"gpus={gpus_per_rank}")
-        
+
         if node_spec:
             batch_opts.append(f"-l {':'.join(node_spec)}")
         else: