Modulenotfounderror: no module named torchtext.legacy ( Solved )

Modulenotfounderror no module named torchtext.legacy

Modulenotfounderror: no module named torchtext.legacy error occurs because of directory structure change after  0.10.0 torchtext release. There is a different code/package structure in the latest torchtext module. All the functionality is preserved in the latest code but we have to import the same differently. Also in some scenarios, this error is not because of code structure change but due to improper installation of torchtext and underline packages. Well in this article, we will resolve all of them step-wise. So let’s begin.

 

Modulenotfounderror: no module named torchtext.legacy ( Solution) –

As we are already clear with the root cause for this error. Hence we will directly jump into the solutioning part. Also, make sure to understand the pros and cons of each solution.

modulenotfounderror no module named torchtext.legacy
modulenotfounderror no module named torchtext.legacy

Solution 1: Organizing import Statements –

Since the internal code structure is changing. Hence we need to align our import statement accordingly. Here is the change we need to accomplish.

Correct Imports –

from torchtext import data, datasets
from torchtext.vocab import Vocab

Incorrect Imports –

from torchtext.legacy import data, datasets
from torchtext.legacy.vocab import Vocab

 

Solution 2: Downgrade torchtext version –

The above Incorrect imports work properly in the lower version of torchtext (0.10.0 or lower ). Because these versions have the same directory structure. We will use the pip package manager to downgrade torchtext module.  Here is the command for that-

pip install torchtext==0.10.0
torchtext downgrade
torchtext downgrade

It will install the lower version of torchtext. As we have provided 0.10.0 but you can provide any other lower version less than 0.10.0. The only challenge in downgrading torchtext is incompatibility with other modules. If we are using any higher version syntax of torchtext then we downgrade this. It will fix the problem of imports but can create multiple other issues. It is not the case always because most of the releases provide backward compatibility.

We can use any other package manager like conda easy_install to upgrade or downgrade torchtext in the place of pip too.

 

Thanks
Data Science Learner Team

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