How to get PyCharm to check PEP8 code style?

I'm using PyCharm (v 2.7.2) to develop a Django app, but I can't get it to check PEP8 style violations. I have enabled "PEP8 coding style violation" in the "Inspctions" section of the settings, but PyCharm doesn't highlight the style violations. Is there a way to fix this?

Does PyCharm check for PEP8?

So, as you can see, PyCharm supports PEP8 as the official Python style guide.

How does PyCharm determine coding styles?

How do I get the Beautify code in PyCharm?

The dialog appears when you press Ctrl+Alt+Shift+L in the editor of the current file. If you choose Code | Reformat Code from the main menu or press Ctrl+Alt+L , PyCharm tries to reformat the source code of the specified scope automatically.

Mine wasn't showing up due to the color scheme. By default it's marked as "weak warning", so you might have to edit the appearance to make it visible. Editor > Colors & Fonts > General > Errors and Warnings.