don't do ugly multi-line arrays on export

aslam_offline_calibration/kalibr/python/exporters/kalibr_maplab_config

@@ -280,13 +280,17 @@ def write_yaml(file_name,
  try:
  if not use_indent_dumper:
  yaml.dump(
- output_dict, output_file, default_flow_style=default_flow_style)
+ output_dict,
+ output_file,
+ default_flow_style=default_flow_style,
+ width=2147483647)
  else:
  yaml.dump(
  output_dict,
  output_file,
  Dumper=IndentDumper,
- default_flow_style=default_flow_style)
+ default_flow_style=default_flow_style,
+ width=2147483647)
  except yaml.YAMLError as exception:
  print(exception)
 
@@ -388,7 +392,7 @@ class CalibrationConfig:
  cam_name = 'cam{0}'.format(cam_index)
  sensors_dict['ncameras'][0]['cameras'].append(
  self.cameras[cam_name].get_maplab_format())
- default_flow_style = False
+ default_flow_style = None
  use_indent_dumper = True
  if not self.to_ncamera:
  write_yaml(self.__get_output_file_name(), sensors_dict,