2017-09-26 13:51:57,123 DEBUG <manager> 'Cron ClearLoginStepTableJob done in 0.00s' Timer.Jobs.ClearLoginStepTableJob-4
2017-09-26 13:51:57,123 DEBUG <manager> 'ServiceJob ClearLoginStepTableJob all services done in 0.00s' Timer.Jobs.ClearLoginStepTableJob-4
Traceback (most recent call last):
  File "/home/kgil/server/tm/afs/service/config.py", line 412, in import_class
    cls = getattr(cls, classname)
AttributeError: 'module' object has no attribute 'AppSessionReader'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/kgil/server/tm/tests/replay/conftest.py", line 111, in _run_core
    self._core.run(self._startup_event)
  File "/home/kgil/server/tm/afs/core.py", line 215, in run
    self.load_services()
  File "/home/kgil/server/tm/afs/core.py", line 172, in load_services
    , default_db_name = self.config.get('default_db')
  File "/home/kgil/server/tm/afs/services.py", line 83, in __init__
    self._load_services()
  File "/home/kgil/server/tm/afs/services.py", line 116, in _load_services
    service_name, service_config
  File "/home/kgil/server/tm/afs/services.py", line 127, in _load_service
    loader.load()
  File "/home/kgil/server/tm/afs/service/config.py", line 625, in load
    self._service_config = ServiceYamlConfig(reader.read())
  File "/home/kgil/server/tm/afs/service/config.py", line 458, in read
    return YamlDocumentReader.read(self, self.document)
  File "/home/kgil/server/tm/afs/service/config.py", line 264, in read
    for config in loader.load_all():
  File "/home/kgil/server/tm/afs/service/config.py", line 341, in load_all
    yield self.get_data()
  File "/usr/local/lib/python3.4/site-packages/yaml/constructor.py", line 31, in get_data
    return self.construct_document(self.get_node())
  File "/usr/local/lib/python3.4/site-packages/yaml/constructor.py", line 46, in construct_document
    for dummy in generator:
  File "/usr/local/lib/python3.4/site-packages/yaml/constructor.py", line 398, in construct_yaml_map
    value = self.construct_mapping(node)
  File "/usr/local/lib/python3.4/site-packages/yaml/constructor.py", line 204, in construct_mapping
    return super().construct_mapping(node, deep=deep)
  File "/usr/local/lib/python3.4/site-packages/yaml/constructor.py", line 129, in construct_mapping
    value = self.construct_object(value_node, deep=deep)
  File "/usr/local/lib/python3.4/site-packages/yaml/constructor.py", line 88, in construct_object
    data = constructor(self, tag_suffix, node)
  File "/home/kgil/server/tm/afs/service/config.py", line 427, in construct_custom
    cls = self.import_class(modulename, classname, __file__)
  File "/home/kgil/server/tm/afs/service/config.py", line 414, in import_class
    raise ConfigImportError(modulename, cls, classname) from e
tm.afs.service.config.ConfigImportError: Cannot import 'AppSessionReader' from module 'custom' located at '/home/kgil/server/customers/test_cz/python/custom.py'