bug: move import findargspec out of Permission __init__ method We have a few places where imports are done inside a method/function. For methods that are called once it's not an issue but the Permissions __init__ method is called often and accounts for > 10% of the time in the __init__ function when looking at wsgi-lineprof output. So move it to the module level.

[run]

# ignore the dist utils. They are not part of the code base
# we are going to test. They are used by maintainers only.
omit = roundup/dist/*