ayncmongo requirements are "pymongo" and "tornado". I have a fresh installation of Python 3.5, pymongo 3.2 and tornado 4.3, but I cannot import asyncmongo.
Tracelog below. P:\WinPython-64bit-3.5.1.2\python-3.5.1.amd64>python Python 3.5.1 (v3.5.1:37a07cee5969, Dec 6 2015, 01:54:25) [MSC v.1900 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import pymongo >>> pymongo.version '3.2' >>> import tornado >>> tornado.version '4.3' >>> import asyncmongo Traceback (most recent call last): File "<stdin>", line 1, in <module> File "P:\WinPython-64bit-3.5.1.2\python-3.5.1.amd64\lib\site-packages\asyncmongo\__init__.py", line 37, in <module> from errors import (Error, InterfaceError, AuthenticationError, DatabaseError, RSConnectionError, ImportError: No module named 'errors' >>> -- https://mail.python.org/mailman/listinfo/python-list