Moodle 3.4dev+ (Build: 20171021), 01df2313c09befcaff3899c39be741f6b85aaba8
Php: 7.1.10.1.14.04.1.1, mysqli: 5.5.57-0ubuntu0.14.04.1, OS: Linux 3.19.0-32-generic x86_64
PHPUnit 5.5.7 by Sebastian Bergmann and contributors.

...Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/training.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
ETraceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/training.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
E....Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/training.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
ETraceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/training.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
ETraceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/training.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
ETraceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/training.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
E..Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/evaluation.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
ETraceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/evaluation.py", line 9, in <module>
    from moodlemlbackend.processor import binary
  File "/usr/local/lib/python2.7/dist-packages/moodlemlbackend/processor/binary.py", line 15, in <module>
    import tensorflow as tf
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/__init__.py", line 24, in <module>
    from tensorflow.python import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/python/__init__.py", line 75, in <module>
    from tensorflow.core.framework.graph_pb2 import *
  File "/usr/local/lib/python2.7/dist-packages/tensorflow/core/framework/graph_pb2.py", line 9, in <module>
    from google.protobuf import symbol_database as _symbol_database
  File "/usr/local/lib/python2.7/dist-packages/google/protobuf/symbol_database.py", line 184, in <module>
    _DEFAULT = SymbolDatabase(pool=descriptor_pool.Default())
AttributeError: 'module' object has no attribute 'Default'
E..                                               19 / 19 (100%)

Time: 21.32 seconds, Memory: 60.00MB

There were 8 errors:

1) core_analytics_prediction_testcase::test_ml_training_and_prediction with data set "no_splitting-\mlbackend_python\processor" ('\core\analytics\time_splittin...itting', 0, 1, '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:145
/home/damyon/moodles/integration_master/moodle/analytics/classes/model.php:629
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:153
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

2) core_analytics_prediction_testcase::test_ml_training_and_prediction with data set "quarters-\mlbackend_python\processor" ('\core\analytics\time_splittin...arters', 3, 4, '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:145
/home/damyon/moodles/integration_master/moodle/analytics/classes/model.php:629
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:153
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

3) core_analytics_prediction_testcase::test_ml_classifiers_return with data set "1-samples-\mlbackend_python\processor" ('maybe', 1, array(0), '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:145
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:336
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

4) core_analytics_prediction_testcase::test_ml_classifiers_return with data set "2-samples-same-class-\mlbackend_python\processor" ('maybe', 2, array(0), '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:145
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:336
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

5) core_analytics_prediction_testcase::test_ml_classifiers_return with data set "2-samples-different-classes-\mlbackend_python\processor" ('yes', 2, array(0, 1), '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:145
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:336
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

6) core_analytics_prediction_testcase::test_ml_classifiers_return with data set "4-samples-different-classes-\mlbackend_python\processor" ('yes', 4, array(0, 1), '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:145
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:336
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

7) core_analytics_prediction_testcase::test_ml_evaluation with data set "bad-\mlbackend_python\processor" ('random', 50, array(2, 4, 4), '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:256
/home/damyon/moodles/integration_master/moodle/analytics/classes/model.php:551
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:427
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

8) core_analytics_prediction_testcase::test_ml_evaluation with data set "good-\mlbackend_python\processor" ('perfect', 50, array(2, 0, 0), '\mlbackend_python\processor')
moodle_exception: No results returned from the predictions processor. Check the output directory contents for more information.

/home/damyon/moodles/integration_master/moodle/lib/mlbackend/python/classes/processor.php:256
/home/damyon/moodles/integration_master/moodle/analytics/classes/model.php:551
/home/damyon/moodles/integration_master/moodle/analytics/tests/prediction_test.php:427
/home/damyon/moodles/integration_master/moodle/lib/phpunit/classes/advanced_testcase.php:80

To re-run:
 vendor/bin/phpunit core_analytics_prediction_testcase analytics/tests/prediction_test.php

ERRORS!
Tests: 19, Assertions: 107, Errors: 8.