ImportError: No module named 'Queue'

Question

I am trying to import requests module, but I got this error my python version is 3.4 running on ubuntu 14.04

>>> import requests
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/dist-packages/requests/packages/urllib3/connectionpool.py", line 10, in <module>
    from queue import LifoQueue, Empty, Full
ImportError: cannot import name 'LifoQueue'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.4/dist-packages/requests/__init__.py", line 58, in <module>
   from . import utils
  File "/usr/local/lib/python3.4/dist-packages/requests/utils.py", line 26, in <module>
    from .compat import parse_http_list as _parse_list_header
  File "/usr/local/lib/python3.4/dist-packages/requests/compat.py", line 7, in <module>
    from .packages import chardet
  File "/usr/local/lib/python3.4/dist-packages/requests/packages/__init__.py", line 3, in <module>
    from . import urllib3
  File "/usr/local/lib/python3.4/dist-packages/requests/packages/urllib3/__init__.py", line 10, in <module>
    from .connectionpool import (
  File "/usr/local/lib/python3.4/dist-packages/requests/packages/urllib3/connectionpool.py", line 12, in <module>
    from Queue import LifoQueue, Empty, Full
ImportError: No module named 'Queue'

Answer 1

import queue is lowercase q in Python 3.

Change Q to q and it will be fine.

(See code in https://stackoverflow.com/a/29688081/632951 for smart switching.)

Answer 2

Queue is in the multiprocessing module so:

from multiprocessing import Queue

Answer 3

I solve the problem my issue was I had file named queue.py in the same directory

Answer 4

It's because of the Python version. In Python 2.x it's import Queue as queue; on the contrary in Python 3 it's import queue. If you want it for both environments you may use something below as mentioned here

try:
   import queue
except ImportError:
   import Queue as queue

Answer 5

In my case it should be:

from multiprocessing import JoinableQueue

Since in python2, Queue has methods like .task_done(), but in python3 multiprocessing.Queue doesn't have this method, and multiprocessing.JoinableQueue does.

Answer 6

I run into the same problem and learn that queue module defines classes and exceptions, that defines the public methods (Queue Objects).

Ex.

workQueue = queue.Queue(10)