title: No module named 'gensim' but already installed it
body: <p>i'm having this error problem, i have ran this script in jupyter notebook in base (root) environment, the log said that gensim library has been installed and i have run the command <strong>!pip install gensim</strong> before i import it, but it still can not be imported, and the error said <strong>ModuleNotFoundError: No module named 'gensim'</strong></p>
  
  <pre><code>!pip install gensim
  import gensim
  from gensim.models import KeyedVectors
  model = KeyedVectors.load('model_fasttext2.vec')
  model.vector_size
  ------------------------------------------------------------------------
  Requirement already satisfied: gensim in c:\users\ip-03\anaconda3\lib\site-packages (3.8.1)
  Requirement already satisfied: scipy&gt;=0.18.1 in c:\users\ip-03\anaconda3\lib\site-packages (from gensim) (1.4.1)
  Requirement already satisfied: six&gt;=1.5.0 in c:\users\ip-03\anaconda3\lib\site-packages (from gensim) (1.14.0)
  Requirement already satisfied: smart-open&gt;=1.8.1 in c:\users\ip-03\anaconda3\lib\site-packages (from gensim) (1.9.0)
  Requirement already satisfied: numpy&gt;=1.11.3 in c:\users\ip-03\anaconda3\lib\site-packages (from gensim) (1.18.1)
  Requirement already satisfied: boto&gt;=2.32 in c:\users\ip-03\anaconda3\lib\site-packages (from smart-open&gt;=1.8.1-&gt;gensim) (2.49.0)
  Requirement already satisfied: boto3 in c:\users\ip-03\anaconda3\lib\site-packages (from smart-open&gt;=1.8.1-&gt;gensim) (1.12.3)
  Requirement already satisfied: bz2file in c:\users\ip-03\anaconda3\lib\site-packages (from smart-open&gt;=1.8.1-&gt;gensim) (0.98)
  Requirement already satisfied: requests in c:\users\ip-03\anaconda3\lib\site-packages (from smart-open&gt;=1.8.1-&gt;gensim) (2.22.0)
  Requirement already satisfied: s3transfer&lt;0.4.0,&gt;=0.3.0 in c:\users\ip-03\anaconda3\lib\site-packages (from boto3-&gt;smart-open&gt;=1.8.1-&gt;gensim) (0.3.3)
  Requirement already satisfied: botocore&lt;1.16.0,&gt;=1.15.3 in c:\users\ip-03\anaconda3\lib\site-packages (from boto3-&gt;smart-open&gt;=1.8.1-&gt;gensim) (1.15.3)
  Requirement already satisfied: jmespath&lt;1.0.0,&gt;=0.7.1 in c:\users\ip-03\anaconda3\lib\site-packages (from boto3-&gt;smart-open&gt;=1.8.1-&gt;gensim) (0.9.4)
  Requirement already satisfied: certifi&gt;=2017.4.17 in c:\users\ip-03\anaconda3\lib\site-packages (from requests-&gt;smart-open&gt;=1.8.1-&gt;gensim) (2019.11.28)
  Requirement already satisfied: chardet&lt;3.1.0,&gt;=3.0.2 in c:\users\ip-03\anaconda3\lib\site-packages (from requests-&gt;smart-open&gt;=1.8.1-&gt;gensim) (3.0.4)
  Requirement already satisfied: urllib3!=1.25.0,!=1.25.1,&lt;1.26,&gt;=1.21.1 in c:\users\ip-03\anaconda3\lib\site-packages (from requests-&gt;smart-open&gt;=1.8.1-&gt;gensim) (1.25.8)
  Requirement already satisfied: idna&lt;2.9,&gt;=2.5 in c:\users\ip-03\anaconda3\lib\site-packages (from requests-&gt;smart-open&gt;=1.8.1-&gt;gensim) (2.8)
  Requirement already satisfied: python-dateutil&lt;3.0.0,&gt;=2.1 in c:\users\ip-03\anaconda3\lib\site-packages (from botocore&lt;1.16.0,&gt;=1.15.3-&gt;boto3-&gt;smart-open&gt;=1.8.1-&gt;gensim) (2.8.1)
  Requirement already satisfied: docutils&lt;0.16,&gt;=0.10 in c:\users\ip-03\anaconda3\lib\site-packages (from botocore&lt;1.16.0,&gt;=1.15.3-&gt;boto3-&gt;smart-open&gt;=1.8.1-&gt;gensim) (0.15.2)
  </code></pre>
  
  <pre><code>ModuleNotFoundError                       Traceback (most recent call last)
  &lt;ipython-input-10-ee4a48d372cd&gt; in &lt;module&gt;
        1 get_ipython().system('pip install gensim')
  ----&gt; 2 import gensim
        3 from gensim.models import KeyedVectors
        4 model = KeyedVectors.load('model_fasttext2.vec')
        5 model.vector_size
  
  ModuleNotFoundError: No module named 'gensim'
  </code></pre>
  
  <p>Is there anyone who can help this problem? i will really appreciate your help, it will help my thesis work, thank you for your attention </p>