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ModuleNotFoundError: No module named 'numpy.core._multiarray_umath' (While installing TensorFlow)

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I am following this tutorial to install TensorFlow( https://www.tensorflow.org/install/pip ), but in the last command:

python -c "import tensorflow as tf; tf.enable_eager_execution(); print(tf.reduce_sum(tf.random_normal([1000, 1000])))"

I get this result:

ModuleNotFoundError: No module named 'numpy.core._multiarray_umath'
ImportError: numpy.core.multiarray failed to import
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 980, in _find_and_load
SystemError: <class '_frozen_importlib._ModuleLockManager'> returned a result with an error set
ImportError: numpy.core._multiarray_umath failed to import
ImportError: numpy.core.umath failed to import
2019-02-16 12:56:50.178364: F tensorflow/python/lib/core/bfloat16.cc:675] Check failed: PyBfloat16_Type.tp_base != nullptr

I have already installed numpy as you can see:

pip3 install numpy
Requirement already satisfied: numpy in c:\programdata\anaconda3\lib\site-packages (1.15.4)

So why do I get this error message and how can I fix it on Windows 10?

just upgrade the numpy module using pip install --upgrade numpy it will fix your problem – Avnish Nishad Mar 10, 2019 at 3:46

I upgraded numpy to 1.16.1 version and tried again the above command:

python -c "import tensorflow as tf; tf.enable_eager_execution(); print(tf.reduce_sum(tf.random_normal([1000, 1000])))"

and got this new result:

2019-02-16 13:12:40.611105: I tensorflow/core/platform/cpu_feature_guard.cc:141] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2
tf.Tensor(-1714.2305, shape=(), dtype=float32)

You need to force the upgrade numpy to the latest version.

pip install 'numpy==1.16' --force-reinstall

Hope this helps.

Using --upgrade rather than a specific version might be better if you don't know what's latest – Nic Cottrell May 5, 2022 at 19:14

there maybe multiple reasons for this error, thus, I would go through the solutions one by one; hopefully one of the steps will solve your problems:

  • Update your Numpy or reinstall it.
  • Check your interpreter directory (go to setting>project>python interpreter )and the Numpy package directory(in your terminal use this command pip show Numpy). These two directories should be similar, if they are not similar go to (setting>project>python interpreter>Add interpreter>show all> show interpreter path) and then add the package directory.
  • If none of above solutions worked, go to (setting>project>python interpreter>Add interpreter> add local interpreter) and change it from virtual environemnt to conda environemnt.
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