Flake and comment to push_exception_handler

force_bdss/cli/force_bdss.py

 import click
 
 from ..bdss_application import BDSSApplication
+
+# Makes the application rethrow the exception so that it exits return code
+# different from zero.
 from traits.api import push_exception_handler
 push_exception_handler(reraise_exceptions=True)
 
+
 @click.command()
 @click.option("--evaluate", is_flag=True)
 @click.argument('workflow_filepath', type=click.Path(exists=True))

force_bdss/id_generators.py

 import six
 
+
 def bundle_id(producer, identifier):
     """Creates an id for the bundle.