Lint fixes for #421

Similar to 8cb41b8. A couple new fixes
now that more code has been landed before the CI check went up.
Separating this out from #421 to try and keep the commit history
somewhat clean.

compiler_opt/es/blackbox_evaluator.py

@@ -124,14 +124,12 @@ def __init__(self, train_corpus: corpus.Corpus,
   def get_results(
       self, pool: FixedWorkerPool, perturbations: List[policy_saver.Policy]
   ) -> List[concurrent.futures.Future]:
-    job_args = []
-    for perturbation in perturbations:
-      job_args.append({
-          'modules': self._train_corpus.module_specs,
-          'function_index_path': self._function_index_path,
-          'bb_trace_path': self._bb_trace_path,
-          'tflite_policy': perturbation
-      })
+    job_args = [{
+        'modules': self._train_corpus.module_specs,
+        'function_index_path': self._function_index_path,
+        'bb_trace_path': self._bb_trace_path,
+        'tflite_policy': perturbation
+    } for perturbation in perturbations]
 
     _, futures = buffered_scheduler.schedule_on_worker_pool(
         action=lambda w, args: w.compile_corpus_and_evaluate(**args),

compiler_opt/es/blackbox_test_utils.py

@@ -45,7 +45,7 @@ def compile(self, policy: policy_saver.Policy,
 
 class ESTraceWorker(worker.Worker):
   """Temporary placeholder worker.
-  
+
   This is a test worker for TraceBlackboxEvaluator that expects a slightly
   different interface than other workers.
   """