http://www.jetbrains.com/help/pycharm/2016.2/configuring-line-separators.html

 

PyCharm makes it possible to set up line separators (line endings) for the newly created files, and change line separator style for the existing files.

 

On this page:

• Setting up line separators for newly created files
• Viewing line ending style for the current file
• Changing line separator for a file, currently opened in the editor
• Changing line separator for a selection in the Project view
• Tips and tricks

To set up line separators for new files

1. In Settings, click Code Style.
2. From the Line separator (for new files) drop-down list, select the desired line separator style: 
   
3. Apply changes and close the dialog.