关于python：Matplotlib在导入时会询问用户名

Matplotlib asks username when imported

我正试图修复这个问题，但我不明白为什么它要求我输入"用户名"和"用户ID"。

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What user name
username:

What is the user id
Enter user id:

有人能毫无问题地运行它吗？

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#!/usr/bin/env python

import numpy as np
import matplotlib.pyplot as plt

N = 5

mMeans = (20, 35, 30, 35, 27)
wMeans = (25, 32, 34, 20, 25)
ind = np.arange(N)
width = 0.5

plt.bar(ind, mMeans, width)
plt.bar(ind, wMeans, width, bottom=mMeans)
plt.show()

这是我中止运行时出现的内容(ctrl+c)：

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$ python stack.py

What username
username:

这是我停止命令的地方。

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^CTraceback (most recent call last):
File"stack.py", line 5, in <module>
import matplotlib.pyplot as plt

What appears including using IDLE

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What user name

username: ^CTraceback (most recent call last):

File"stack.py", line 4, in

from matplotlib import pyplot as plt #.pyplot as plt

File"/usr/local/lib/python2.7/dist-packages/matplotlib/pyplot.py", line 36, in

from matplotlib.backend_bases import FigureCanvasBase

File"/usr/local/lib/python2.7/dist-packages/matplotlib/backend_bases.py", line 70, in

from PIL import Image

File"/usr/lib/python2.7/dist-packages/PIL/Image.py", line 107, in
import builtins

File"/usr/local/lib/python2.7/dist-packages/builtins/__init__.py", line 8, in

from future.builtins import *

File"/usr/local/lib/python2.7/dist-packages/future/builtins/__init__.py", line 10, in

from future.builtins.iterators import (filter, map, zip)

File"/usr/local/lib/python2.7/dist-packages/future/builtins/iterators.py", line 43, in

from future.types import newrange as range

File"/usr/local/lib/python2.7/dist-packages/future/types/__init__.py", line 243, in

from .newrange import newrange

File"/usr/local/lib/python2.7/dist-packages/future/types/newrange.py", line 25, in

from future.backports.misc import count # with step parameter on Py2.6
File"/usr/local/lib/python2.7/dist-packages/future/backports/__init__.py", line 17, in

from .misc import (ceil,

File"/usr/local/lib/python2.7/dist-packages/future/backports/misc.py", line 17, in

import subprocess

File"/home/flira/Downloads/subprocess.py", line 6, in

username = str(raw_input('username: '))

KeyboardInterrupt