Hi,

The guy using sass on my team asked me yesterday if there was a flag or something so he can just be watching the Flask console to see if something failed while changing his sass files instead of going to the generated file to see details on the exception. I couldn't find any and ended up adding:

print '*' * 80
print repr(e)
print '*' * 80

inside SassMiddleware.__call__ to get any exception info from any CompileError. This is absolutely raw but seems to be useful.

Maybe something nicer can be added, like a parameter to send errors to stderr or something like that.

Thanks,

Federico