zalun/FlightDeck — comment on commit bb93574a30187ccd30143317187cf2ab5d51b924
File: utils/exceptions.py line 19
By zalun:

there is no test - before it was a str(dict) which looked ugly
The structure is {'filename': ['first error.', 'second error.']}
It should be rendered as:
filename: first error. second error

there is usually only one error per key, and also one key only