diff --git a/tests/yaetos/etl_utils_test.py b/tests/yaetos/etl_utils_test.py
index 3720a9e4..d4b66c5a 100644
--- a/tests/yaetos/etl_utils_test.py
+++ b/tests/yaetos/etl_utils_test.py
@@ -186,7 +186,6 @@ def test_create_spark_submit_python_job_with_launcher(self):
             'spark-submit',
             '--py-files=some/files.zip',
             'jobs/examples/ex7_pandas_job.py',  # launcher.py not carried over. may want to change behavior.
-            # '--job_name=some_job',
             ]
         assert cmd_lst_real == cmd_lst_expected
 
diff --git a/yaetos/deploy.py b/yaetos/deploy.py
index e464f390..4a1e85dc 100644
--- a/yaetos/deploy.py
+++ b/yaetos/deploy.py
@@ -50,24 +50,23 @@ def __init__(self, deploy_args, app_args):
         self.app_args = app_args
         self.app_file = app_args['py_job']  # TODO: remove all refs to app_file to be consistent.
         self.aws_setup = aws_setup
+        # From aws_config.cfg:
         self.ec2_key_name = config.get(aws_setup, 'ec2_key_name')
         self.s3_region = config.get(aws_setup, 's3_region')
         self.user = config.get(aws_setup, 'user')
         self.profile_name = config.get(aws_setup, 'profile_name')
         self.ec2_subnet_id = config.get(aws_setup, 'ec2_subnet_id')
-        self.extra_security_gp = config.get(aws_setup, 'extra_security_gp')
+        self.extra_security_gp = config.get(aws_setup, 'extra_security_gp', fallback=None)
         self.emr_ec2_role = config.get(aws_setup, 'emr_ec2_role', fallback='EMR_EC2_DefaultRole')
         self.emr_role = config.get(aws_setup, 'emr_role', fallback='EMR_DefaultRole')
+        # From jobs_metadata.yml:
         self.emr_core_instances = int(app_args.get('emr_core_instances', 1))  # TODO: make this update EMR_Scheduled mode too.
         self.deploy_args = deploy_args
         self.ec2_instance_master = app_args.get('ec2_instance_master', 'm5.xlarge')  # 'm5.12xlarge', # used m3.2xlarge (8 vCPU, 30 Gib RAM), and earlier m3.xlarge (4 vCPU, 15 Gib RAM)
         self.ec2_instance_slaves = app_args.get('ec2_instance_slaves', 'm5.xlarge')
-        # Paths
-        # self.s3_logs = CPt(app_args.get('s3_logs', 's3://').replace('{root_path}', self.app_args.get('root_path', '')))
+        # Computed params:
         s3_logs = app_args.get('s3_logs', 's3://').replace('{root_path}', self.app_args.get('root_path', ''))
-        print('#### ------', s3_logs)
         self.s3_logs = CPt(s3_logs)
-
         self.s3_bucket_logs = self.s3_logs.bucket
         self.metadata_folder = 'pipelines_metadata'  # TODO remove
         self.pipeline_name = self.generate_pipeline_name(self.deploy_args['mode'], self.app_args['job_name'], self.user)  # format: some_job.some_user.20181204.153429