title: .kv file issue with pycharm
body: <p>I am working on pycharm trying to learn kivy. I am stuck with one thing that is how to open .kv file.
  Every time I create a .kv file and then try to open the file it shows me an error of &quot;How do you want to open this file?&quot; It is a comman error that Windows shows if it does not have the right software to open the file.</p>
  <p><a href="https://i.stack.imgur.com/qyzTH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qyzTH.png" alt="enter image description here" /></a></p>
  <p>I have pasted the screen shot above please help me with this. I have completely downloaded the entire kivy package.</p>