Unable to find a matching set of capabilities about webwhatsapp-wrapper

[JulioImolesi]

how do you solved that?
Im stuck in the same error:
After install the package with "pip install -r requirements.txt"
following the usage instructions:
(OK) 1: Import library from webwhatsapi import WhatsAPIDriver

(ERROR) :2 Instantiate driver and set username driver = WhatsAPIDriver(username="Test")

Python 3.4.0 (v3.4.0:04f714765c13, Mar 16 2014, 19:25:23) [MSC v.1600 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.

from asyncio import Task, ensure_future, get_event_loop, sleep, wait
Traceback (most recent call last):
File "", line 1, in
ImportError: cannot import name 'ensure_future'
from webwhatsapi import WhatsAPIDriver
driver = WhatsAPIDriver(username="Test")
Traceback (most recent call last):
File "", line 1, in
File "C:\WebWhatsAPI-master\WebWhatsAPI-master\webwhatsapi_init_.py", line 186, in init
self.driver = webdriver.Firefox(capabilities=capabilities, options=options)
File "c:\Python34\lib\site-packages\selenium\webdriver\firefox\webdriver.py", line 162, in init
keep_alive=True)
File "c:\Python34\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 154, in init
self.start_session(desired_capabilities, browser_profile)
File "c:\Python34\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 243, in start_session
response = self.execute(Command.NEW_SESSION, parameters)
File "c:\Python34\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 312, in execute
self.error_handler.check_response(response)
File "c:\Python34\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.SessionNotCreatedException: Message: Unable to find a matching set of capabilities