lasse@lssteady ~/tmp/pytesttest % cat asd.py 
from flask import request

def addstuff(a,b):
    """
    Adds stuff:
    
    >>> addstuff(4,5)
    9
    
    See?
    """
    return a+b

lasse@lssteady ~/tmp/pytesttest % python3   
Python 3.5.1 (default, Dec  7 2015, 12:58:09) 
[GCC 5.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import asd
>>> import doctest
>>> import inspect
>>> doctest.testmod(asd)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3.5/doctest.py", line 1940, in testmod
    for test in finder.find(m, name, globs=globs, extraglobs=extraglobs):
  File "/usr/lib/python3.5/doctest.py", line 923, in find
    self._find(tests, obj, name, module, source_lines, globs, {})
  File "/usr/lib/python3.5/doctest.py", line 982, in _find
    if ((inspect.isroutine(inspect.unwrap(val))
  File "/usr/lib/python3.5/inspect.py", line 471, in unwrap
    while _is_wrapper(func):
  File "/usr/lib/python3.5/inspect.py", line 465, in _is_wrapper
    return hasattr(f, '__wrapped__')
  File "/usr/lib/python3.5/site-packages/werkzeug/local.py", line 343, in __getattr__
    return getattr(self._get_current_object(), name)
  File "/usr/lib/python3.5/site-packages/werkzeug/local.py", line 302, in _get_current_object
    return self.__local()
  File "/usr/lib/python3.5/site-packages/flask/globals.py", line 20, in _lookup_req_object
    raise RuntimeError('working outside of request context')
RuntimeError: working outside of request context
>>> inspect.unwrap(asd.request)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3.5/inspect.py", line 471, in unwrap
    while _is_wrapper(func):
  File "/usr/lib/python3.5/inspect.py", line 465, in _is_wrapper
    return hasattr(f, '__wrapped__')
  File "/usr/lib/python3.5/site-packages/werkzeug/local.py", line 343, in __getattr__
    return getattr(self._get_current_object(), name)
  File "/usr/lib/python3.5/site-packages/werkzeug/local.py", line 302, in _get_current_object
    return self.__local()
  File "/usr/lib/python3.5/site-packages/flask/globals.py", line 20, in _lookup_req_object
    raise RuntimeError('working outside of request context')
RuntimeError: working outside of request context