Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/home/user/cryptofeed/cryptofeed/__init__.py", line 7, in <module>

from cryptofeed.feedhandler import FeedHandler


 "/home/user/cryptofeed/cryptofeed/feedhandler.py", line 27, in <module>

from cryptofeed.exchanges import *


 "/home/user/cryptofeed/cryptofeed/exchanges.py", line 7, in <module>

from cryptofeed.exchange.binance import Binance


 "/home/user/cryptofeed/cryptofeed/exchange/binance.py", line 19, in <module>

from cryptofeed.feed import Feed


 "/home/user/cryptofeed/cryptofeed/feed.py", line 11, in <module>

from cryptofeed.connection import AsyncConnection


 "/home/user/cryptofeed/cryptofeed/connection.py", line 8, in <module>

from contextlib import asynccontextmanager
ImportError: cannot import name 'asynccontextmanager'

Traceback (most recent call last):


 ".../anaconda3/bin/ranger", line 36, in <module>

sys.exit(ranger.main())
# pylint: disable=no-member


 ".../anaconda3/lib/python3.6/site-packages/ranger/core/main.py", line 32, in main

from ranger.container.settings import Settings


 ".../anaconda3/lib/python3.6/site-packages/ranger/container/settings.py", line 13, in <module>

from ranger.gui.colorscheme import _colorscheme_name_to_class


 ".../anaconda3/lib/python3.6/site-packages/ranger/gui/colorscheme.py", line 30, in <module>

from curses import color_pair


 ".../anaconda3/lib/python3.6/curses/__init__.py", line 13, in <module>

from _curses import *
ImportError: libncursesw.so.5: cannot open shared object file: No such file or directory
