[Python] scikit-learn not importing in jupyter notebook

I installed scikit-learn both using pip and conda commandas. Whenever I check the package, it shows that it is already installed but, whenever I try import it, it shows error.

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns
from sklearn.model_selection import train_test_split
%matplotlib inline


ERROR:

---------------------------------------------------------------------------
ModuleNotFoundError Traceback (most recent call last)
<ipython-input-33-82d3fc6531ea> in <module>
3 import matplotlib.pyplot as plt
4 import seaborn as sns
----> 5 from sklearn.model_selection import train_test_split
6 get_ipython().run_line_magic('matplotlib', 'inline')

ModuleNotFoundError: No module named 'sklearn'


I have tried reinstalling it multiple times but it shows the same error

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