e2e evaluation raises ZeroDivisionError

Rasa version: 1.3.6

Python version: 3.6

Operating system (windows, osx, …): osx

Issue:

e2e story evaluation always raises ZeroDivisionError

Error (including full traceback):

Processed Story Blocks: 0it [00:00, ?it/s]
2019-09-25 15:30:06 WARNING  rasa.core.training.generator  - There is no starting story block in the training data. All your story blocks start with some checkpoint. There should be at least one story block that starts without any checkpoint.
2019-09-25 15:30:06 INFO     rasa.core.test  - Evaluating 0 stories
Progress:
0it [00:00, ?it/s]
2019-09-25 15:30:06 INFO     rasa.core.test  - Finished collecting predictions.
2019-09-25 15:30:06 WARNING  rasa.nlu.test  - No labels to evaluate. Skip evaluation.
Traceback (most recent call last):
  File "/Users/ric/.envs/platform/bin/rasa", line 11, in <module>
    load_entry_point('rasa', 'console_scripts', 'rasa')()
  File "/Users/ric/dev/rasa/rasa/__main__.py", line 76, in main
    cmdline_arguments.func(cmdline_arguments)
  File "/Users/ric/dev/rasa/rasa/cli/test.py", line 88, in test_core
    kwargs=vars(args),
  File "/Users/ric/dev/rasa/rasa/test.py", line 108, in test_core
    rasa.core.test(stories, _agent, out_directory=output, **kwargs)
  File "uvloop/loop.pyx", line 1448, in uvloop.loop.Loop.run_until_complete
  File "/Users/ric/dev/rasa/rasa/core/test.py", line 483, in test
    completed_trackers, agent, fail_on_prediction_errors, e2e
  File "/Users/ric/dev/rasa/rasa/core/test.py", line 430, in collect_story_predictions
    in_training_data_fraction = _in_training_data_fraction(action_list)
  File "/Users/ric/dev/rasa/rasa/core/test.py", line 383, in _in_training_data_fraction
    return len(in_training_data) / len(action_list)
ZeroDivisionError: division by zero

Command or request that led to error:

$ rasa test core --stories e2e.md --e2e

[melindaloubser1]

Ok, thank you, that is what I was looking for (the retrieval actions NLU data example).

[erohmensing]

@wochinge did the PR close the entire issue?