diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 790785a1f48..488f760280c 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -36,6 +36,7 @@ Fixed
 - ``x in AnySlotDict`` is now ``True`` for any ``x``, which fixes empty slot warnings in
   interactive learning
 - ``rasa train`` now also includes NLU files in other formats than the Rasa format
+- ``rasa train core`` no longer crashes without a ``--domain`` arg
 
 
 [1.1.4] - 2019-06-18
@@ -57,7 +58,6 @@ Fixed
 - take FB quick reply payload rather than text as input
 - fixed bug where `training_data` path in `metadata.json` was an absolute path
 
-
 [1.1.3] - 2019-06-14
 ^^^^^^^^^^^^^^^^^^^^
 
diff --git a/rasa/train.py b/rasa/train.py
index 018694e8975..0802536fba4 100644
--- a/rasa/train.py
+++ b/rasa/train.py
@@ -71,12 +71,8 @@ async def train_async(
     try:
         domain = Domain.load(domain, skill_imports)
         domain.check_missing_templates()
-    except InvalidDomain as e:
-        print_error(
-            "Could not load domain due to error: {} \nTo specify a valid domain "
-            "path, use the '--domain' argument.".format(e)
-        )
-        return None
+    except InvalidDomain:
+        domain = None
 
     story_directory, nlu_data_directory = data.get_core_nlu_directories(
         training_files, skill_imports
@@ -87,6 +83,11 @@ async def train_async(
         nlu_data = stack.enter_context(TempDirectoryPath(nlu_data_directory))
         story = stack.enter_context(TempDirectoryPath(story_directory))
 
+        if domain is None:
+            return handle_domain_if_not_exists(
+                config, nlu_data_directory, output_path, fixed_model_name
+            )
+
         return await _train_async_internal(
             domain,
             config,
@@ -99,6 +100,27 @@ async def train_async(
             kwargs,
         )
 
+    if domain is None:
+        return handle_domain_if_not_exists(
+            config, nlu_data_directory, output_path, fixed_model_name
+        )
+
+
+def handle_domain_if_not_exists(
+    config, nlu_data_directory, output_path, fixed_model_name
+):
+    nlu_model_only = _train_nlu_with_validated_data(
+        config=config,
+        nlu_data_directory=nlu_data_directory,
+        output=output_path,
+        fixed_model_name=fixed_model_name,
+    )
+    print_warning(
+        "Core training was skipped because no valid domain file was found. Only an nlu-model was created."
+        "Please specify a valid domain using '--domain' argument or check if the provided domain file exists."
+    )
+    return nlu_model_only
+
 
 async def _train_async_internal(
     domain: Union[Domain, Text],
@@ -293,16 +315,15 @@ async def train_core_async(
 
     skill_imports = SkillSelector.load(config, stories)
 
-    if isinstance(domain, str):
-        try:
-            domain = Domain.load(domain, skill_imports)
-            domain.check_missing_templates()
-        except InvalidDomain as e:
-            print_error(
-                "Could not load domain due to: '{}'. To specify a valid domain path "
-                "use the '--domain' argument.".format(e)
-            )
-            return None
+    try:
+        domain = Domain.load(domain, skill_imports)
+        domain.check_missing_templates()
+    except InvalidDomain:
+        print_error(
+            "Core training was skipped because no valid domain file was found. "
+            "Please specify a valid domain using '--domain' argument or check if the provided domain file exists."
+        )
+        return None
 
     train_context = TempDirectoryPath(data.get_core_directory(stories, skill_imports))
 

rasa train command error message
**Rasa version**: 1.1.13

**Issue**:

If you run the `rasa train` command and don't provide a `--domain` option, a python stack trace results instead of an error message message that the domain file was a required option.

**Error (including full traceback)**:
```
docker run -v $(pwd)/data:/app/data rasa/rasa:latest-full train core --config /app/data/config.yml --stories /app/data/stories --out /app/data/models --augmentation 0 --quiet
2019-06-15 00:52:47 ERROR    rasa.core.training.dsl  - Error in line 2: 'NoneType' object has no attribute 'intents'
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 301, in process_lines
    await self.add_user_messages(user_messages, line_num)
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 383, in add_user_messages
    *[self._parse_message(m, line_num) for m in messages]
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 367, in _parse_message
    if intent_name not in self.domain.intents:
AttributeError: 'NoneType' object has no attribute 'intents'
2019-06-15 00:52:47 ERROR    rasa.core.training.dsl  - Invalid story file format. Failed to parse '/tmp/tmpz84lkggv/c24e99a4b7ff480f80047ec55ce5b484_claimzen.md'
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 301, in process_lines
    await self.add_user_messages(user_messages, line_num)
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 383, in add_user_messages
    *[self._parse_message(m, line_num) for m in messages]
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 367, in _parse_message
    if intent_name not in self.domain.intents:
AttributeError: 'NoneType' object has no attribute 'intents'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 214, in read_from_file
    return await reader.process_lines(lines)
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 313, in process_lines
    raise ValueError(msg)
ValueError: Error in line 2: 'NoneType' object has no attribute 'intents'
Training Core model...
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 301, in process_lines
    await self.add_user_messages(user_messages, line_num)
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 383, in add_user_messages
    *[self._parse_message(m, line_num) for m in messages]
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 367, in _parse_message
    if intent_name not in self.domain.intents:
AttributeError: 'NoneType' object has no attribute 'intents'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/rasa", line 10, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.6/site-packages/rasa/__main__.py", line 70, in main
    cmdline_arguments.func(cmdline_arguments)
  File "/usr/local/lib/python3.6/site-packages/rasa/cli/train.py", line 121, in train_core
    kwargs=extract_additional_arguments(args),
  File "/usr/local/lib/python3.6/site-packages/rasa/train.py", line 215, in train_core
    kwargs=kwargs,
  File "uvloop/loop.pyx", line 1451, in uvloop.loop.Loop.run_until_complete
  File "/usr/local/lib/python3.6/site-packages/rasa/train.py", line 277, in train_core_async
    kwargs=kwargs,
  File "/usr/local/lib/python3.6/site-packages/rasa/train.py", line 303, in _train_core_with_validated_data
    kwargs=kwargs,
  File "/usr/local/lib/python3.6/site-packages/rasa/core/train.py", line 57, in train
    stories_file, exclusion_percentage=exclusion_percentage, **data_load_args
  File "/usr/local/lib/python3.6/site-packages/rasa/core/agent.py", line 616, in load_data
    exclusion_percentage=exclusion_percentage,
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/__init__.py", line 50, in load_data
    resource_name, domain, exclusion_percentage=exclusion_percentage
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/__init__.py", line 29, in extract_story_graph
    exclusion_percentage=exclusion_percentage,
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 186, in read_from_folder
    f, domain, interpreter, template_variables, use_e2e
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 214, in read_from_file
    return await reader.process_lines(lines)
  File "/usr/local/lib/python3.6/site-packages/rasa/core/training/dsl.py", line 313, in process_lines
    raise ValueError(msg)
```

**Command or request that led to error**:
```
docker run -v $(pwd)/data:/app/data rasa/rasa:latest-full train core --config /app/data/config.yml --stories /app/data/stories --out /app/data/models --augmentation 0 --quiet
```

diff --git a/tests/cli/test_rasa_train.py b/tests/cli/test_rasa_train.py
index 9062567a4f0..7d3c879030e 100644
--- a/tests/cli/test_rasa_train.py
+++ b/tests/cli/test_rasa_train.py
@@ -4,6 +4,8 @@ import tempfile
 
 import pytest
 
+from rasa import model
+
 from rasa.cli.train import _get_valid_config
 from rasa.constants import (
     CONFIG_MANDATORY_KEYS_CORE,
@@ -37,6 +39,32 @@ def test_train(run_in_default_project):
     assert os.path.basename(files[0]) == "test-model.tar.gz"
 
 
+def test_train_no_domain_exists(run_in_default_project):
+
+    os.remove("domain.yml")
+    run_in_default_project(
+        "train",
+        "-c",
+        "config.yml",
+        "--data",
+        "data",
+        "--out",
+        "train_models_no_domain",
+        "--fixed-model-name",
+        "nlu-model-only",
+    )
+
+    assert os.path.exists("train_models_no_domain")
+    files = list_files("train_models_no_domain")
+    assert len(files) == 1
+
+    trained_model_path = "train_models_no_domain/nlu-model-only.tar.gz"
+    unpacked = model.unpack_model(trained_model_path)
+
+    metadata_path = os.path.join(unpacked, "nlu", "metadata.json")
+    assert os.path.exists(metadata_path)
+
+
 def test_train_skip_on_model_not_changed(run_in_default_project):
     temp_dir = os.getcwd()
 
@@ -118,6 +146,28 @@ def test_train_core(run_in_default_project):
     assert os.path.isfile("train_rasa_models/rasa-model.tar.gz")
 
 
+def test_train_core_no_domain_exists(run_in_default_project):
+
+    os.remove("domain.yml")
+    run_in_default_project(
+        "train",
+        "core",
+        "--config",
+        "config.yml",
+        "--domain",
+        "domain1.yml",
+        "--stories",
+        "data",
+        "--out",
+        "train_rasa_models_no_domain",
+        "--fixed-model-name",
+        "rasa-model",
+    )
+
+    assert not os.path.exists("train_rasa_models_no_domain/rasa-model.tar.gz")
+    assert not os.path.isfile("train_rasa_models_no_domain/rasa-model.tar.gz")
+
+
 def count_rasa_temp_files():
     count = 0
     for entry in os.scandir(tempfile.gettempdir()):

pip install -e .[dev]
parse_log_pytest
requirements.txt
pytest pytest-cov pytest-localserver pytest-sanic responses freezegun nbsphinx aioresponses moto
apt-get update apt-get install -y gcc
3.6
requirements.txt
pytest --no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning
absl-py==1.4.0
aiofiles==0.8.0
aiohttp==3.5.4
aioresponses==0.7.6
alabaster==0.7.13
anyio==3.6.2
APScheduler==3.6.0
astor==0.8.1
async-generator==1.10
async-timeout==3.0.1
attrs==22.2.0
Babel==2.11.0
backports.zoneinfo==0.2.1
bleach==4.1.0
boto3==1.23.10
botocore==1.26.10
cached-property==1.5.2
certifi==2021.5.30
cffi==1.15.1
chardet==3.0.4
charset-normalizer==3.0.1
click==7.1.2
colorclass==2.2.0
coloredlogs==10.0
colorhash==1.0.2
ConfigArgParse==0.15.2
contextvars==2.4
coverage==6.2
cryptography==40.0.2
cycler==0.11.0
dataclasses==0.8
decorator==5.1.1
defusedxml==0.7.1
docopt==0.6.2
docutils==0.15.2
entrypoints==0.4
fakeredis==1.0.3
fbmessenger==6.0.0
Flask==1.1.4
Flask-Cors==3.0.10
freezegun==1.2.2
future==0.18.3
gast==0.6.0
gevent==1.4.0
greenlet==2.0.2
grpcio==1.48.2
h11==0.12.0
h5py==3.1.0
httpcore==0.14.7
httptools==0.6.0
httpx==0.22.0
humanfriendly==10.0
idna==2.8
idna-ssl==1.1.0
imagesize==1.4.1
immutables==0.19
importlib-metadata==4.8.3
importlib-resources==5.4.0
iniconfig==1.1.1
ipython-genutils==0.2.0
itsdangerous==1.1.0
Jinja2==2.11.3
jmespath==0.10.0
jsonpickle==1.1
jsonschema==2.6.0
jupyter-client==7.1.2
jupyter-core==4.9.2
jupyterlab-pygments==0.1.2
kafka-python==1.4.6
Keras-Applications==1.0.8
Keras-Preprocessing==1.1.2
kiwisolver==1.3.1
Markdown==3.3.7
MarkupSafe==2.0.1
matplotlib==3.0.3
mattermostwrapper==2.1
mistune==0.8.4
mock==5.2.0
moto==4.0.13
multidict==4.7.6
nbclient==0.5.9
nbconvert==6.0.7
nbformat==5.1.3
nbsphinx==0.8.8
nest-asyncio==1.6.0
networkx==2.3
numpy==1.16.3
packaging==19.2
pandocfilters==1.5.1
pika==1.0.1
pluggy==1.0.0
prompt-toolkit==2.0.10
protobuf==3.19.6
psycopg2-binary==2.8.2
py==1.11.0
pycparser==2.21
pydot==1.4.1
Pygments==2.14.0
PyJWT==2.4.0
pykwalify==1.7.0
pymongo==3.8.0
pyparsing==3.1.4
PySocks==1.7.1
pytest==7.0.1
pytest-cov==4.0.0
pytest-localserver==0.9.0.post0
pytest-sanic==1.7.1
python-crfsuite==0.9.10
python-dateutil==2.8.0
python-engineio==4.11.2
python-socketio==4.0.1
python-telegram-bot==11.1.0
pytz==2019.1
pytz-deprecation-shim==0.1.0.post0
PyYAML==6.0.1
pyzmq==25.1.2
questionary==1.1.1
-e git+https://github.com/RasaHQ/rasa.git@76a91183ac878e96814cc11c3f5a3e6595614317#egg=rasa
rasa-sdk==1.1.1
redis==3.2.1
requests==2.22.0
requests-toolbelt==1.0.0
responses==0.17.0
rfc3986==1.5.0
rocketchat-API==0.6.31
ruamel.yaml==0.15.94
s3transfer==0.5.2
sanic==19.3.1
Sanic-Cors==0.9.8
sanic-jwt==1.3.1
Sanic-Plugins-Framework==0.9.5
scikit-learn==0.20.2
scipy==1.2.1
simple-websocket==1.1.0
simplejson==3.16.0
six==1.17.0
sklearn-crfsuite==0.3.6
slackclient==1.3.1
sniffio==1.2.0
snowballstemmer==2.2.0
sortedcontainers==2.4.0
Sphinx==5.3.0
sphinxcontrib-applehelp==1.0.2
sphinxcontrib-devhelp==1.0.2
sphinxcontrib-htmlhelp==2.0.0
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==1.0.3
sphinxcontrib-serializinghtml==1.1.5
SQLAlchemy==1.3.24
tabulate==0.8.10
tensorboard==1.13.1
tensorflow==1.13.1
tensorflow-estimator==1.13.0
termcolor==1.1.0
terminaltables==3.1.0
testpath==0.6.0
tomli==1.2.3
tornado==6.1
tqdm==4.31.0
traitlets==4.3.3
twilio==6.26.3
typing_extensions==4.1.1
tzdata==2025.2
tzlocal==4.2
ujson==4.3.0
urllib3==1.25.11
uvloop==0.14.0
wcwidth==0.2.13
webencodings==0.5.1
webexteamssdk==1.1.1
websocket-client==0.54.0
websockets==6.0
Werkzeug==1.0.1
wsproto==1.0.0
xmltodict==0.14.2
yarl==1.7.2
zipp==3.6.0

name: rasa
channels:
  - defaults
  - https://repo.anaconda.com/pkgs/main
  - https://repo.anaconda.com/pkgs/r
  - conda-forge
dependencies:
  - _libgcc_mutex=0.1=main
  - _openmp_mutex=5.1=1_gnu
  - ca-certificates=2025.2.25=h06a4308_0
  - certifi=2021.5.30=py36h06a4308_0
  - ld_impl_linux-64=2.40=h12ee557_0
  - libffi=3.3=he6710b0_2
  - libgcc-ng=11.2.0=h1234567_1
  - libgomp=11.2.0=h1234567_1
  - libstdcxx-ng=11.2.0=h1234567_1
  - ncurses=6.4=h6a678d5_0
  - openssl=1.1.1w=h7f8727e_0
  - pip=21.2.2=py36h06a4308_0
  - python=3.6.13=h12debd9_1
  - readline=8.2=h5eee18b_0
  - setuptools=58.0.4=py36h06a4308_0
  - sqlite=3.45.3=h5eee18b_0
  - tk=8.6.14=h39e8969_0
  - wheel=0.37.1=pyhd3eb1b0_0
  - xz=5.6.4=h5eee18b_1
  - zlib=1.2.13=h5eee18b_1
  - pip:
      - absl-py==1.4.0
      - aiofiles==0.8.0
      - aiohttp==3.5.4
      - aioresponses==0.7.6
      - alabaster==0.7.13
      - anyio==3.6.2
      - apscheduler==3.6.0
      - astor==0.8.1
      - async-generator==1.10
      - async-timeout==3.0.1
      - attrs==22.2.0
      - babel==2.11.0
      - backports-zoneinfo==0.2.1
      - bleach==4.1.0
      - boto3==1.23.10
      - botocore==1.26.10
      - cached-property==1.5.2
      - cffi==1.15.1
      - chardet==3.0.4
      - charset-normalizer==3.0.1
      - click==7.1.2
      - colorclass==2.2.0
      - coloredlogs==10.0
      - colorhash==1.0.2
      - configargparse==0.15.2
      - contextvars==2.4
      - coverage==6.2
      - cryptography==40.0.2
      - cycler==0.11.0
      - dataclasses==0.8
      - decorator==5.1.1
      - defusedxml==0.7.1
      - docopt==0.6.2
      - docutils==0.15.2
      - entrypoints==0.4
      - fakeredis==1.0.3
      - fbmessenger==6.0.0
      - flask==1.1.4
      - flask-cors==3.0.10
      - freezegun==1.2.2
      - future==0.18.3
      - gast==0.6.0
      - gevent==1.4.0
      - greenlet==2.0.2
      - grpcio==1.48.2
      - h11==0.12.0
      - h5py==3.1.0
      - httpcore==0.14.7
      - httptools==0.6.0
      - httpx==0.22.0
      - humanfriendly==10.0
      - idna==2.8
      - idna-ssl==1.1.0
      - imagesize==1.4.1
      - immutables==0.19
      - importlib-metadata==4.8.3
      - importlib-resources==5.4.0
      - iniconfig==1.1.1
      - ipython-genutils==0.2.0
      - itsdangerous==1.1.0
      - jinja2==2.11.3
      - jmespath==0.10.0
      - jsonpickle==1.1
      - jsonschema==2.6.0
      - jupyter-client==7.1.2
      - jupyter-core==4.9.2
      - jupyterlab-pygments==0.1.2
      - kafka-python==1.4.6
      - keras-applications==1.0.8
      - keras-preprocessing==1.1.2
      - kiwisolver==1.3.1
      - markdown==3.3.7
      - markupsafe==2.0.1
      - matplotlib==3.0.3
      - mattermostwrapper==2.1
      - mistune==0.8.4
      - mock==5.2.0
      - moto==4.0.13
      - multidict==4.7.6
      - nbclient==0.5.9
      - nbconvert==6.0.7
      - nbformat==5.1.3
      - nbsphinx==0.8.8
      - nest-asyncio==1.6.0
      - networkx==2.3
      - numpy==1.16.3
      - packaging==19.2
      - pandocfilters==1.5.1
      - pika==1.0.1
      - pluggy==1.0.0
      - prompt-toolkit==2.0.10
      - protobuf==3.19.6
      - psycopg2-binary==2.8.2
      - py==1.11.0
      - pycparser==2.21
      - pydot==1.4.1
      - pygments==2.14.0
      - pyjwt==2.4.0
      - pykwalify==1.7.0
      - pymongo==3.8.0
      - pyparsing==3.1.4
      - pysocks==1.7.1
      - pytest==7.0.1
      - pytest-cov==4.0.0
      - pytest-localserver==0.9.0.post0
      - pytest-sanic==1.7.1
      - python-crfsuite==0.9.10
      - python-dateutil==2.8.0
      - python-engineio==4.11.2
      - python-socketio==4.0.1
      - python-telegram-bot==11.1.0
      - pytz==2019.1
      - pytz-deprecation-shim==0.1.0.post0
      - pyyaml==6.0.1
      - pyzmq==25.1.2
      - questionary==1.1.1
      - rasa-sdk==1.1.1
      - redis==3.2.1
      - requests==2.22.0
      - requests-toolbelt==1.0.0
      - responses==0.17.0
      - rfc3986==1.5.0
      - rocketchat-api==0.6.31
      - ruamel-yaml==0.15.94
      - s3transfer==0.5.2
      - sanic==19.3.1
      - sanic-cors==0.9.8
      - sanic-jwt==1.3.1
      - sanic-plugins-framework==0.9.5
      - scikit-learn==0.20.2
      - scipy==1.2.1
      - simple-websocket==1.1.0
      - simplejson==3.16.0
      - six==1.17.0
      - sklearn-crfsuite==0.3.6
      - slackclient==1.3.1
      - sniffio==1.2.0
      - snowballstemmer==2.2.0
      - sortedcontainers==2.4.0
      - sphinx==5.3.0
      - sphinxcontrib-applehelp==1.0.2
      - sphinxcontrib-devhelp==1.0.2
      - sphinxcontrib-htmlhelp==2.0.0
      - sphinxcontrib-jsmath==1.0.1
      - sphinxcontrib-qthelp==1.0.3
      - sphinxcontrib-serializinghtml==1.1.5
      - sqlalchemy==1.3.24
      - tabulate==0.8.10
      - tensorboard==1.13.1
      - tensorflow==1.13.1
      - tensorflow-estimator==1.13.0
      - termcolor==1.1.0
      - terminaltables==3.1.0
      - testpath==0.6.0
      - tomli==1.2.3
      - tornado==6.1
      - tqdm==4.31.0
      - traitlets==4.3.3
      - twilio==6.26.3
      - typing-extensions==4.1.1
      - tzdata==2025.2
      - tzlocal==4.2
      - ujson==4.3.0
      - urllib3==1.25.11
      - uvloop==0.14.0
      - wcwidth==0.2.13
      - webencodings==0.5.1
      - webexteamssdk==1.1.1
      - websocket-client==0.54.0
      - websockets==6.0
      - werkzeug==1.0.1
      - wsproto==1.0.0
      - xmltodict==0.14.2
      - yarl==1.7.2
      - zipp==3.6.0
prefix: /opt/conda/envs/rasa

tests/cli/test_rasa_train.py::test_train_no_domain_exists
tests/cli/test_rasa_train.py::test_train tests/cli/test_rasa_train.py::test_train_skip_on_model_not_changed tests/cli/test_rasa_train.py::test_train_force tests/cli/test_rasa_train.py::test_train_with_only_nlu_data tests/cli/test_rasa_train.py::test_train_with_only_core_data tests/cli/test_rasa_train.py::test_train_core tests/cli/test_rasa_train.py::test_train_core_no_domain_exists tests/cli/test_rasa_train.py::test_train_core_temp_files tests/cli/test_rasa_train.py::test_train_nlu tests/cli/test_rasa_train.py::test_train_nlu_temp_files tests/cli/test_rasa_train.py::test_train_help tests/cli/test_rasa_train.py::test_train_nlu_help tests/cli/test_rasa_train.py::test_train_core_help tests/cli/test_rasa_train.py::test_get_valid_config[parameters0] tests/cli/test_rasa_train.py::test_get_valid_config[parameters1] tests/cli/test_rasa_train.py::test_get_valid_config[parameters2] tests/cli/test_rasa_train.py::test_get_valid_config[parameters3] tests/cli/test_rasa_train.py::test_get_valid_config[parameters4] tests/cli/test_rasa_train.py::test_get_valid_config[parameters5] tests/cli/test_rasa_train.py::test_get_valid_config[parameters6] tests/cli/test_rasa_train.py::test_get_valid_config_with_non_existing_file
CHANGELOG.rst rasa/train.py
CHANGELOG.rst rasa/train.py