title: pycharm is showing error in module import resolution even if program is working fine
body: <p>I am new in Python and pycharm ide.
  I have created one of my own module and importing it in another python file.
  Both of my python files are in same direcotary and parent directory has been made Sources Root directory.</p>
  
  <p>Now my program is working fine but pycharm ide is showing error in import statement and on hover prompting no such module.</p>
  
  <p>I am not sure if i am doing something wrong please let me know what is the proper way to import a module.</p>
  
  <p>here is my project structure -
  Main.py is importing Greeting.py and getting error.test is a root directory.
  <a href="https://i.stack.imgur.com/MfIri.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/MfIri.png" alt="Main.py"></a></p>
  
  <p><a href="https://i.stack.imgur.com/ljcEF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ljcEF.png" alt="Greeting.py"></a></p>