Traceback (most recent call last):


 ".../python2.7/site-packages/telegram/ext/dispatcher.py", line 269, in process_update

if handler.check_update(update):


 ".../python2.7/site-packages/telegram/ext/conversationhandler.py", line 166, in check_update

for candidate in (handlers or []):
TypeError: 'MessageHandler' object is not iterable

Traceback (most recent call last):


 "/usr/local/bin/scrapy", line 7, in <module>

from scrapy.cmdline import execute


 "/usr/local/lib/python3.4/dist-packages/scrapy/cmdline.py", line 6, in <module>

import pkg_resources


 "/usr/local/lib/python3.4/dist-packages/pkg_resources/__init__.py", line 72, in <module>

import packaging.requirements


 "/usr/local/lib/python3.4/dist-packages/packaging/requirements.py", line 59, in <module>

MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
TypeError: __call__() missing 1 required positional argument: 'name'
