安裝了基于pyhton的爬蟲pyspider.?用命令sudo?pyspider?all啟動pyspider的時候報錯:

Traceback?(most?recent?call?last):

File?"/usr/local/bin/pyspider",?line?5,?in?

from?pkg_resources?import?load_entry_point

File?"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py",?line?3142,?in?

@_call_aside

File?"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py",?line?3126,?in?_call_aside

f(*args,?**kwargs)

File?"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py",?line?3155,?in?_initialize_master_working_set

working_set?=?WorkingSet._build_master()

File?"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py",?line?666,?in?_build_master

return?cls._build_from_requirements(__requires__)

File?"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py",?line?679,?in?_build_from_requirements

dists?=?ws.resolve(reqs,?Environment())

File?"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py",?line?872,?in?resolve

raise?VersionConflict(dist,?req).with_context(dependent_req)

pkg_resources.ContextualVersionConflict:?(chardet?2.3.0?(/usr/lib/python2.7/dist-packages),?Requirement.parse('chardet<3.1.0,>=3.0.2'),?set(['requests']))

我是python新手.請問怎么解決??謝謝啦

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