Not only Errors but start and HTTP request logging also would be helpful
Example from django
Performing system checks...
System check identified no issues (0 silenced).
March 22, 2015 - 15:43:07
Django version 1.7.6, using settings 'dclub.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.
[22/Mar/2015 15:43:26] "GET / HTTP/1.1" 200 466
Not only Errors but start and HTTP request logging also would be helpful Example from django