fix output_records.json generation

file-setup

@@ -66,7 +66,6 @@ class MainWorkflow(WorkflowRunner):
         self.input_dir = input_dir
         self.output_dir = output_dir
         self.jobs = []
-        self.collect_jobs()
 
     def collect_jobs(self):
         for dir in os.listdir(self.input_dir):
@@ -103,10 +102,11 @@ class MainWorkflow(WorkflowRunner):
             create_pdf_tasks.append(task)
 
         self.waitForTasks()
+        output_files = []
         for job in self.jobs:
             # Track output files
             relative_output_dir = os.path.relpath(job.output_dir, start=self.output_dir)  # noqa
-            self.output_files.append(
+            output_files.append(
                 {
                     'description': 'PDF file without text layer.',
                     'file': os.path.join(relative_output_dir, '{}.pdf'.format(job.name)),  # noqa
@@ -114,7 +114,7 @@ class MainWorkflow(WorkflowRunner):
                 }
             )
         with open(os.path.join(self.output_dir, 'output_records.json'), 'w') as f:  # noqa
-            json.dump(self.output_files, f, indent=4)
+            json.dump(output_files, f, indent=4)
 
 
 def parse_args():
@@ -160,6 +160,7 @@ def parse_args():
 def main():
     args = parse_args()
     main_workflow = MainWorkflow(args.input_dir, args.output_dir)
+    main_workflow.collect_jobs()
     retval = main_workflow.run(
         dataDirRoot=args.log_dir, memMb=args.mem_mb, nCores=args.n_cores)  # noqa
     sys.exit(retval)