在Python 3.5.2中導入* asyncio *會導致由於* Full *被遮擋導致的ImportError

Question

在Python 3.5.2中導入asyncio會產生一個ImportError。

Python 3.5.2 (default, Nov 17 2016, 17:05:23) 
Type "copyright", "credits" or "license" for more information. 

IPython 5.2.2 -- An enhanced Interactive Python. 
?   -> Introduction and overview of IPython's features. 
%quickref -> Quick reference. 
help  -> Python's own help system. 
object? -> Details about 'object', use 'object??' for extra details. 

In [1]: import asyncio 
--------------------------------------------------------------------------- 
ImportError        Traceback (most recent call last) 
<ipython-input-1-dc80feba2326> in <module>() 
----> 1 import asyncio 

/usr/lib/python3.5/asyncio/__init__.py in <module>() 
    19 
    20 # This relies on each of the submodules having an __all__ variable. 
---> 21 from .base_events import * 
    22 from .coroutines import * 
    23 from .events import * 

/usr/lib/python3.5/asyncio/base_events.py in <module>() 
    16 
    17 import collections 
---> 18 import concurrent.futures 
    19 import heapq 
    20 import inspect 

/usr/lib/python3.5/concurrent/futures/__init__.py in <module>() 
    15          wait, 
    16          as_completed) 
---> 17 from concurrent.futures.process import ProcessPoolExecutor 
    18 from concurrent.futures.thread import ThreadPoolExecutor 

/usr/lib/python3.5/concurrent/futures/process.py in <module>() 
    50 from concurrent.futures import _base 
    51 import queue 
---> 52 from queue import Full 
    53 import multiprocessing 
    54 from multiprocessing import SimpleQueue 

ImportError: cannot import name 'Full' 

這是pip freeze輸出：

aiohttp==1.3.3 
appdirs==1.4.0 
async-timeout==1.1.0 
chardet==2.3.0 
decorator==4.0.11 
ipython==5.2.2 
ipython-genutils==0.1.0 
multidict==2.1.4 
numpy==1.12.0 
packaging==16.8 
pexpect==4.2.1 
pickleshare==0.7.4 
prompt-toolkit==1.0.13 
ptyprocess==0.5.1 
Pygments==2.2.0 
pyparsing==2.1.10 
scipy==0.18.1 
simplegeneric==0.8.1 
six==1.10.0 
traitlets==4.3.1 
wcwidth==0.1.7 
yarl==0.9.8 

如何導入asyncio在這種情況下？

Answer 1

檢查您的項目或當前工作目錄是否包含名爲queue.py的文件並對其進行重命名。 （根據你的評論，這是檔案/home/gianluca/git/python/asyncio/queue.py。）