"Memoization Error"

Im getting memoization error . I tried so many solutions but nothing worked. please help me

In normal environment:

C:\Users\Boyinapalli Sandeep\Desktop\rasabot\mypython>rasa init
Welcome to Rasa! πŸ€–

To get started quickly, an initial project will be created.
If you need some help, check out the documentation at https://rasa.com/docs/rasa.
Now let's start! πŸ‘‡πŸ½

? Please enter a path where the project will be created [default: current directory] police
? Path 'police' does not exist 🧐. Create path?  Yes
Created project directory at 'C:\Users\Boyinapalli Sandeep\Desktop\rasabot\mypython\police'.
Finished creating project structure.
? Do you want to train an initial model? πŸ’ͺ🏽  Yes
Training an initial model...
Training Core model...
Traceback (most recent call last):
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\registry.py", line 21, in policy_from_module_path
    module_path, lookup_path="rasa.core.policies.registry"
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\utils\common.py", line 220, in class_from_module_path
    m = importlib.import_module(lookup_path)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\policies\registry.py", line 5, in <module>
    from rasa.core.policies.ted_policy import TEDPolicy
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\policies\ted_policy.py", line 26, in <module>
    from rasa.utils.tensorflow.models import RasaModel
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\utils\tensorflow\models.py", line 12, in <module>
    from rasa.utils.tensorflow.model_data import RasaModelData, FeatureSignature
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\utils\tensorflow\model_data.py", line 7, in <module>
    from sklearn.model_selection import train_test_split
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\sklearn\__init__.py", line 82, in <module>
    from .base import clone
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\sklearn\base.py", line 20, in <module>
    from .utils import _IS_32BIT
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\sklearn\utils\__init__.py", line 27, in <module>
    from .fixes import np_version
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\sklearn\utils\fixes.py", line 18, in <module>
    import scipy.stats
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\stats\__init__.py", line 384, in <module>
    from .stats import *
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\stats\stats.py", line 179, in <module>
    from scipy.spatial.distance import cdist
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\spatial\__init__.py", line 99, in <module>
    from .qhull import *
ImportError: DLL load failed: The specified module could not be found.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\policies\ensemble.py", line 308, in from_dict
    constr_func = registry.policy_from_module_path(policy_name)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\registry.py", line 24, in policy_from_module_path
    raise ImportError(f"Cannot retrieve policy from path '{module_path}'")
ImportError: Cannot retrieve policy from path 'MemoizationPolicy'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\Scripts\rasa.exe\__main__.py", line 7, in <module>
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\__main__.py", line 92, in main
    cmdline_arguments.func(cmdline_arguments)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\cli\scaffold.py", line 206, in run
    init_project(args, path)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\cli\scaffold.py", line 118, in init_project
    print_train_or_instructions(args, path)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\cli\scaffold.py", line 58, in print_train_or_instructions
    args.model = rasa.train(domain, config, training_files, output)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\train.py", line 50, in train
    additional_arguments=additional_arguments,
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\asyncio\base_events.py", line 587, in run_until_complete
    return future.result()
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\train.py", line 101, in train_async
    additional_arguments,
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\train.py", line 188, in _train_async_internal
    additional_arguments=additional_arguments,
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\train.py", line 223, in _do_training
    additional_arguments=additional_arguments,
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\train.py", line 361, in _train_core_with_validated_data
    additional_arguments=additional_arguments,
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\train.py", line 43, in train
    policies = config.load(policy_config)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\config.py", line 28, in load
    return PolicyEnsemble.from_dict(config_data)
  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\rasa\core\policies\ensemble.py", line 319, in from_dict
    "".format(policy_name)
rasa.core.policies.ensemble.InvalidPolicyConfig: Module for policy 'MemoizationPolicy' could not be loaded. Please make sure the name is a valid policy.

C:\Users\Boyinapalli Sandeep\Desktop\rasabot\mypython>

In virtual env:

(mypython) C:\Users\Boyinapalli Sandeep\Desktop\rasabot\mypython\Scripts>rasa init
Welcome to Rasa! πŸ€–

To get started quickly, an initial project will be created.
If you need some help, check out the documentation at https://rasa.com/docs/rasa.
Now let's start! πŸ‘‡πŸ½

? Please enter a path where the project will be created [default: current directory] Hi
? Path 'Hi' does not exist 🧐. Create path?  Yes
Created project directory at 'C:\Users\Boyinapalli Sandeep\Desktop\rasabot\mypython\Scripts\Hi'.
Finished creating project structure.
? Do you want to train an initial model? πŸ’ͺ🏽  Yes
Training an initial model...
Training Core model...
Traceback (most recent call last):
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\registry.py", line 21, in policy_from_module_path
    module_path, lookup_path="rasa.core.policies.registry"
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\utils\common.py", line 220, in class_from_module_path
    m = importlib.import_module(lookup_path)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\policies\registry.py", line 5, in <module>
    from rasa.core.policies.ted_policy import TEDPolicy
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\policies\ted_policy.py", line 26, in <module>
    from rasa.utils.tensorflow.models import RasaModel
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\utils\tensorflow\models.py", line 12, in <module>
    from rasa.utils.tensorflow.model_data import RasaModelData, FeatureSignature
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\utils\tensorflow\model_data.py", line 7, in <module>
    from sklearn.model_selection import train_test_split
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\sklearn\__init__.py", line 82, in <module>
    from .base import clone
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\sklearn\base.py", line 20, in <module>
    from .utils import _IS_32BIT
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\sklearn\utils\__init__.py", line 27, in <module>
    from .fixes import np_version
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\sklearn\utils\fixes.py", line 18, in <module>
    import scipy.stats
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\scipy\stats\__init__.py", line 384, in <module>
    from .stats import *
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\scipy\stats\stats.py", line 179, in <module>
    from scipy.spatial.distance import cdist
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\scipy\spatial\__init__.py", line 102, in <module>
    from ._procrustes import procrustes
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\scipy\spatial\_procrustes.py", line 11, in <module>
    from scipy.linalg import orthogonal_procrustes
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\scipy\linalg\__init__.py", line 195, in <module>
    from .misc import *
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\scipy\linalg\misc.py", line 5, in <module>
    from .blas import get_blas_funcs
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\scipy\linalg\blas.py", line 215, in <module>
    from scipy.linalg import _fblas
ImportError: DLL load failed: The specified module could not be found.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\policies\ensemble.py", line 308, in from_dict
    constr_func = registry.policy_from_module_path(policy_name)
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\registry.py", line 24, in policy_from_module_path
    raise ImportError(f"Cannot retrieve policy from path '{module_path}'")
ImportError: Cannot retrieve policy from path 'MemoizationPolicy'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\Boyinapalli Sandeep\Desktop\rasabot\mypython\Scripts\rasa.exe\__main__.py", line 7, in <module>
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\__main__.py", line 92, in main
    cmdline_arguments.func(cmdline_arguments)
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\cli\scaffold.py", line 206, in run
    init_project(args, path)
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\cli\scaffold.py", line 118, in init_project
    print_train_or_instructions(args, path)
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\cli\scaffold.py", line 58, in print_train_or_instructions
    args.model = rasa.train(domain, config, training_files, output)
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\train.py", line 50, in train
    additional_arguments=additional_arguments,
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2288.0_x64__qbz5n2kfra8p0\lib\asyncio\base_events.py", line 587, in run_until_complete
    return future.result()
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\train.py", line 101, in train_async
    additional_arguments,
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\train.py", line 188, in _train_async_internal
    additional_arguments=additional_arguments,
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\train.py", line 223, in _do_training
    additional_arguments=additional_arguments,
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\train.py", line 361, in _train_core_with_validated_data
    additional_arguments=additional_arguments,
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\train.py", line 43, in train
    policies = config.load(policy_config)
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\config.py", line 28, in load
    return PolicyEnsemble.from_dict(config_data)
  File "c:\users\boyinapalli sandeep\desktop\rasabot\mypython\lib\site-packages\rasa\core\policies\ensemble.py", line 319, in from_dict
    "".format(policy_name)
rasa.core.policies.ensemble.InvalidPolicyConfig: Module for policy 'MemoizationPolicy' could not be loaded. Please make sure the name is a valid policy.

PLEASE HELP ME AS SOON AS POSSIBLE

Seems like you are using Windows. What Rasa version do you use? The latest one?

Yes mam. The latest one and even I uninstalled and installed several times. But not worked…:tired_face:

This isn’t actually about the memoization policy - the error message is kinda confusing. The relevant part of the error is this part:

  File "C:\Users\Boyinapalli Sandeep\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\spatial\__init__.py", line 99, in <module>
    from .qhull import *
ImportError: DLL load failed: The specified module could not be found.

Check if you can import scipy (in a python interpreter) and also check what happens if you run this:

from .qhull import *