How to Fix MXNet Error “Module 'numpy' Has No Attribute 'bool' in Python
Last Updated :
14 Jun, 2024
In Python, while working with NumPy, you may encounter the error “Module 'numpy' has no attribute 'bool'” when importing MXNet. This issue arises due to the deprecation of the numpy.bool alias in newer versions of NumPy. In this article, we will explore various solutions to fix this error and ensure compatibility between NumPy and MXNet.
What is Import MXNet Error “Module 'numpy' Has No Attribute 'bool'”?
The import MXNet error "Module 'numpy' has no attribute 'bool'" occurs because recent versions of NumPy have deprecated the numpy.bool alias in favor of the standard Python bool type. This change can cause compatibility issues in libraries like MXNet that reference numpy.bool. To resolve this, you can either downgrade NumPy to an earlier version that still supports numpy.bool or update MXNet to a version that addresses this compatibility issue.
Syntax:
AttributeError: module 'numpy' has no attribute 'bool'
Why does Import MXNet Error “Module 'numpy' Has No Attribute 'bool'”?
Common reasons why Import MXNet Error “Module 'numpy' Has No Attribute 'bool'” errors occur in Python are:
Deprecation of numpy.bool
In recent versions of NumPy (1.20.0 and later), the alias numpy.bool has been removed. This deprecation leads to compatibility issues with libraries like MXNet that still reference the old alias.
Python
import numpy as np
import mxnet as mx
# Attempt to use numpy.bool
a = np.array([True, False], dtype=np.bool)
print(a)
Output:
Deprecation of numpy.boolOlder Version of MXNet
Older versions of MXNet reference deprecated NumPy attributes like numpy.bool. Updating MXNet to a version that is compatible with the newer NumPy versions can resolve this issue.
Python
import numpy as np
import mxnet as mx
# Attempt to use MXNet with an incompatible version of NumPy
a = mx.nd.array([1, 2, 3])
print(a)
Output:
Older Version of MXNetFix Import MXNet Error “Module 'numpy' Has No Attribute 'bool'”
Below are some of the ways by which we can fix Import MXNet Error “Module 'numpy' Has No Attribute 'bool'”in Python:
Downgrade NumPy
You can fix this error by downgrading NumPy to a version where the numpy.bool alias is still available, ensuring compatibility with MXNet.
Syntax:
pip install numpy==1.19.5
Python
import numpy as np
import mxnet as mx
# Attempt to use numpy.bool after correct installation
a = np.array([True, False], dtype=np.bool)
print(a)
Output:
[ True False]
Update MXNet
Update MXNet to a version that is compatible with the newer versions of NumPy, ensuring that deprecated attributes like numpy.bool are handled correctly.
Syntax:
pip install mxnet==1.8.0
Python
import numpy as np
import mxnet as mx
# Attempt to use MXNet with a compatible version of NumPy
a = mx.nd.array([1, 2, 3])
print(a)
Output:
[1. 2. 3.]
<NDArray 3 @cpu(0)>
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