Question

我正在尝试从https://pythonprogramming.net/live-graphs-matplotlib-tutorial/运行示例实时图表，该图表以以下内容开头（这是失败源的全文）：

import matplotlib.pyplot as plt
import matplotlib.animation as animation

第二次导入失败：

Traceback (most recent call last):
  File "example.py", line 2, in <module>
    import matplotlib.animation as animation
  File "/usr/lib/python3.6/site-packages/matplotlib/animation.py", line 737, in <module>
    class ImageMagickWriter(ImageMagickBase, MovieWriter):
  File "/usr/lib/python3.6/site-packages/matplotlib/animation.py", line 120, in wrapper
    if writerClass.isAvailable():
  File "/usr/lib/python3.6/site-packages/matplotlib/animation.py", line 730, in isAvailable
    return super().isAvailable()
  File "/usr/lib/python3.6/site-packages/matplotlib/animation.py", line 427, in isAvailable
    return shutil.which(cls.bin_path()) is not None
  File "/usr/lib/python3.6/site-packages/matplotlib/animation.py", line 724, in bin_path
    binpath = mpl._get_executable_info('magick').executable
  File "/usr/lib/python3.6/site-packages/matplotlib/__init__.py", line 384, in _get_executable_info
    return impl([path, "--version"], r"^Version: ImageMagick (\S*)")
  File "/usr/lib/python3.6/site-packages/matplotlib/__init__.py", line 329, in impl
    raise _cpe
  File "/usr/lib/python3.6/site-packages/matplotlib/__init__.py", line 324, in impl
    args, stderr=subprocess.STDOUT, universal_newlines=True)
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['convert', '--version']' returned non-zero exit status 4.

我在Win10上的Cygwin下运行python 3.6。所有Cygwin软件包昨天都已更新或安装。

convert是Windows程序，用于转换文件系统，并且没有--version选项（或任何以--开头的选项。）您知道在这里打算使用什么convert命令吗？ / p>

由于`convert`导致导入matplotlib.animation失败

0 个答案: