Unable to train rasa nlu with ner_duckling pipeline

Hi i am using rasa nlu
Rasa NLU: 0.13.8
python version : 3.6

testing environment : venv on windows 10 and ubuntu 18

rasa nlu documentation does show how to use ner_duckling_http pipeline but no mention about ner_duckling.
when i go through the code ner_duckling pipeline still exists

1.is it deprecated?
2. ner_duckling pipeline is ommitted in rasa nlu documentation , will it be added back?

any way i traied using ner_duckling , it works super fine in windows. but not working under ubuntu.


	language: "en"

	- name: "tokenizer_whitespace"
	- name: "ner_crf"
	- name: "ner_synonyms"
	- name: "intent_featurizer_count_vectors"
	- name: "intent_classifier_tensorflow_embedding"
	- name: "ner_duckling"
	  # dimensions to extract
	  dimensions: ["time", "number", "amount-of-money", "distance"]
	  # allows you to configure the locale, by default the language is
	  # used
	  locale: "en"
	  # if not set the default timezone of Duckling is going to be used
	  # needed to calculate dates from relative expressions like "tomorrow"
	  timezone: "Asia/Kolkata"
	path: ./models/nlu
	data: ./data/training_nlu.json

API for Training nlu: 

. Error encountered while training (log):

			(env12) mansoor-vm@mansoorvm-virtual-machine:~/Documents/chatbot_m2/rasa_nlu $ python3 -m rasa_nlu.server -c nlu_model_
			config.yml --path models -P 6001  --response_log logs --pre_load all --debug -v
			2018-12-13 13:45:30 INFO     rasa_nlu.data_router  - Logging requests to 'logs/rasa_nlu_log-20181213-134530-3246.log'.
			2018-12-13 13:45:31.920552: I tensorflow/core/platform/cpu_feature_guard.cc:141] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2 FMA
			2018-12-13 13:45:32 INFO     tensorflow  - Restoring parameters from /home/mansoor-vm/Documents/chatbot_m2/rasa_nlu/models/freeText/model_20181213-134253/intent_classifier_tensorflow_embedding.ckpt
			2018-12-13 13:45:32 INFO     __main__  - Started http server on port 6001
			2018-12-13 13:45:32+0530 [-] Log opened.
			2018-12-13 13:45:32+0530 [-] Site starting on 6001
			2018-12-13 13:45:32+0530 [-] Starting factory <twisted.web.server.Site object at 0x7f05f7175f28>
			2018-12-13 13:45:35+0530 [-] 2018-12-13 13:45:35 WARNING  rasa_nlu.data_router  - [Failure instance: Traceback (failure with no frames): <class 'rasa_nlu.train.TrainingException'>: <TrainingException instance at 0x7f05f71ac2e8 with str error:
			2018-12-13 13:45:35+0530 [-]  Traceback (most recent call last):
			2018-12-13 13:45:35+0530 [-]   File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/twisted/python/reflect.py", line 448, in safe_str
			2018-12-13 13:45:35+0530 [-]     return str(o)
			2018-12-13 13:45:35+0530 [-] TypeError: __str__ returned non-string (type int)
			2018-12-13 13:45:35+0530 [-] >
			2018-12-13 13:45:35+0530 [-] ]
			2018-12-13 13:45:35+0530 [-] Unhandled Error
					Traceback (most recent call last):
					  File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/twisted/internet/defer.py", line 501, in errback
					  File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
					  File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/twisted/internet/defer.py", line 654, in _runCallbacks
						current.result = callback(current.result, *args, **kw)
					  File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/twisted/internet/defer.py", line 1475, in gotResult
						_inlineCallbacks(r, g, status)
					--- <exception caught here> ---
					  File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/twisted/internet/defer.py", line 1416, in _inlineCallbacks
						result = result.throwExceptionIntoGenerator(g)
					  File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/twisted/python/failure.py", line 491, in throwExceptionIntoGenerator
						return g.throw(self.type, self.value, self.tb)
					  File "/home/mansoor-vm/Documents/chatbot_m2/env12/lib/python3.5/site-packages/rasa_nlu/server.py", line 373, in train
						returnValue(json_to_string({"error": "{}".format(e)}))
					builtins.TypeError: __str__ returned non-string (type int)

			2018-12-13 13:45:35+0530 [-] "" - - [13/Dec/2018:08:15:35 +0000] "POST /train?project=freeText HTTP/1.1" 500 3887 "-" "PostmanRuntime/7.4.0"
			2018-12-13 13:46:35+0530 [-] Timing out client: IPv4Address(type='TCP', host='', port=59115)

i need to use ner_duckling ,without ner_duckling in the pipeline there is no errors. how can i do this with ner_duckling in the pipeline.

Please help.

hey @manslogic first thing ner_duckling is deprecated but still if you want you can use or you can use the latest version : ner_duckling_http, if you want to use ner_duckling_http, you can follow this link :

else if you want to use ner_duckling you need to install it in python first,you can do so using

pip install duckling and then you use it in you nlu_config.yml file


Note : Make sure you had installed duckling in python

@JiteshGaikwad Thanks for the response.
OK I got it, ner_duckling old is deprecated