Description

As per previous attempt, then realised there were flake issues and I'd not used black -t py34. Converted format strings to f-strings and cleaned imports.

Ran pytest. Of note is that pytest fails due to instapy using emoji==1.7, and I had 2.2.

Checklist:

• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• [X ] I have checked my code and corrected any misspellings
• [ X] I have performed a self-review of my own code
• [ ]X My code follows the style guidelines of this project, black -t py34
• [ X] My changes generate no new warnings