title: Python error “ModuleNotFoundError: No module named 'requests'”
body: <p>I am trying to import a module that I know for a fact that was installed, but I am getting the ModuleNotFoundError: No module named '' error.
  How can I solve this problem ?</p>
  
  <pre><code>HelendeMacBook-Pro:bin helendai$ pip3 list
  Package    Version   
  ---------- ----------
  certifi    2019.11.28
  chardet    3.0.4     
  idna       2.9       
  pip        20.0.2    
  requests   2.23.0    
  setuptools 39.0.1    
  urllib3    1.25.8    
  wheel      0.31.0    
  HelendeMacBook-Pro:bin helendai$ python3 /Users/helendai/PycharmProjects/Demo1/test.py 
  Traceback (most recent call last):
    File "/Users/helendai/PycharmProjects/Demo1/test.py", line 2, in &lt;module&gt;
      import requests
  ModuleNotFoundError: No module named 'requests'
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/uLn6j.png" rel="nofollow noreferrer">enter image description here</a></p>