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Sklearn or scikit learn is the most popular, free machine learning library for python. It includes widely used machine learning algorithms such as regression models, k nearest neighbors, k means clustering, support vector machine, dbscan, random forests, etc. Hence, there’s no surprise that data scientists or anyone with a passion for machine learning and Artificial Intelligence would want to install scikit learn in their systems. But a lot of developers have to face ModuleNotFoundError: No module named ‘sklearn’<\/strong> once they try to execute their code. There can be a couple of reasons why they are seeing this error.<\/p>\n\n\n\n

But first, What is a ModuleNotFoundError?<\/h2>\n\n\n\n

Simply A ModuleNotFoundError<\/strong> (In this particular case no module named ‘sklearn’<\/strong> error) is raised at runtime when the python is unable\/fails to import a module into your program. There are a few possible reasons behind this error.<\/p>\n\n\n\n

  1. Python cannot locate the module in your import command<\/li>
  2. You have misspelled your module name in your import command <\/li>
  3. You simply haven’t installed that module<\/li><\/ol>\n\n\n\n

    Common Cause of ModuleNotFoundError: No module named ‘sklearn’<\/h2>\n\n\n\n

    In most cases of no module named ‘sklearn’<\/strong>, we can rule out the number two and number three causes that I have just mentioned in the above section. <\/p>\n\n\n\n

    Because most of the time we know that we have installed scikit learn beforehand. And we also know that we have typed the name correctly.<\/p>\n\n\n\n

    Then it must be that python cannot locate sklearn module, right? Yes, Of Course! <\/p>\n\n\n\n

    Reasons why Python cannot locate the sklearn\/scikit learn module<\/h2>\n\n\n\n

    The reasons can be very complicated because every case is different. So one’s cause for no module named ‘sklearn’<\/strong> error might not be the same as someone else’s. There are many possible scenarios why python cannot locate sklearn module. Starting from different python virtual environments and different python versions to things like whether you are running your algorithm in jupyter notebooks or in an IDE like PyCharm, can all be a possible cause. So we have to investigate every single scenario and apply possible fixes. Otherwise, we aren’t addressing no module named ‘sklearn’<\/strong> in everyone’s favor!<\/p>\n\n\n