docker中如何安装 pip install cairosvg
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FROM debian:jessie,安装出现如下错误,不知如何解决 
 pip install cairosvg
 Downloading/unpacking cairosvg
 Downloading CairoSVG-2.1.3.tar.gz
 Running setup.py (path:/tmp/pip-build-75wYYn/cairosvg/setup.py) egg_info for package cairosvg
 Traceback (most recent call last):
 File "", line 17, in
 File "/tmp/pip-build-75wYYn/cairosvg/setup.py", line 24, in
 with open(init_path, 'r', encoding='utf-8') as fd:
 TypeError: 'encoding' is an invalid keyword argument for this function
 Complete output from command python setup.py egg_info:
 Traceback (most recent call last):File "", line 17, in File "/tmp/pip-build-75wYYn/cairosvg/setup.py", line 24, in with open(init_path, 'r', encoding='utf-8') as fd:TypeError: 'encoding' is an invalid keyword argument for this function 
 Cleaning up... 
 Command python setup.py egg_info failed with error code 1 in /tmp/pip-build-75wYYn/cairosvg
 Storing debug log for failure in /root/.pip/pip.log=============================================== (from https://pypi.org/simple/cairosvg/) 
 Running setup.py (path:/tmp/pip-build-sRHfu6/cairosvg/setup.py) egg_info for package cairosvg
 Traceback (most recent call last):
 File "", line 17, in
 File "/tmp/pip-build-sRHfu6/cairosvg/setup.py", line 24, in
 with open(init_path, 'r', encoding='utf-8') as fd:
 TypeError: 'encoding' is an invalid keyword argument for this function
 Complete output from command python setup.py egg_info:
 Traceback (most recent call last):File "", line 17, in File "/tmp/pip-build-sRHfu6/cairosvg/setup.py", line 24, in with open(init_path, 'r', encoding='utf-8') as fd:TypeError: 'encoding' is an invalid keyword argument for this function 
