解决python2x的pip安装问题O

报错图片问题描述：

[flone

master~]$pipinstalluser-agentsDefaultingtouserinstallationbecausenormalsite-packagesisnotwriteableCollectinguser-agentsWARNING:Retrying(Retry(total=4,connect=None,read=None,redirect=None,status=None))afterconnectionbrokenbyNewConnectionError(pip._vendor.urllib.connection.HTTPSConnectionobjectat0x7f9f06ffbe0:Failedtoestablishanewconnection:[Errno]网络不可达,):/packages/8f/1c/20bbd7b2bad56deddedbb16eb78706887dff/user_agents-2.2.0-py-none-any.whlWARNING:Retrying(Retry(total=,connect=None,read=None,redirect=None,status=None))afterconnectionbrokenbyNewConnectionError(pip._vendor.urllib.connection.HTTPSConnectionobjectat0x7f9f06ffe10:Failedtoestablishanewconnection:[Errno]网络不可达,):/packages/8f/1c/20bbd7b2bad56deddedbb16eb78706887dff/user_agents-2.2.0-py-none-any.whlWARNING:Retrying(Retry(total=2,connect=None,read=None,redirect=None,status=None))afterconnectionbrokenbyReadTimeoutError("HTTPSConnectionPool(host=files.pythonhosted.org,port=44):Readtimedout.(readtimeout=15)",):/packages/8f/1c/20bbd7b2bad56deddedbb16eb78706887dff/user_agents-2.2.0-py-none-any.whlWARNING:Retrying(Retry(total=1,connect=None,read=None,redirect=None,status=None))afterconnectionbrokenbyNewConnectionError(pip._vendor.urllib.connection.HTTPSConnectionobjectat0x7f9ff0:Failedtoestablishanewconnection:[Errno]网络不可达,):/packages/8f/1c/20bbd7b2bad56deddedbb16eb78706887dff/user_agents-2.2.0-py-none-any.whlWARNING:Retrying(Retry(total=0,connect=None,read=None,redirect=None,status=None))afterconnectionbrokenbyReadTimeoutError("HTTPSConnectionPool(host=files.pythonhosted.org,port=44):Readtimedout.(readtimeout=15)",):/packages/8f/1c/20bbd7b2bad56deddedbb16eb78706887dff/user_agents-2.2.0-py-none-any.whlERROR:CouldnotinstallpackagesduetoanOSError:HTTPSConnectionPool(host=files.pythonhosted.org,port=44):Maxretriesexceededwithurl:/packages/8f/1c/20bbd7b2bad56deddedbb16eb78706887dff/user_agents-2.2.0-py-none-any.whl(CausedbyNewConnectionError(pip._vendor.urllib.connection.HTTPSConnectionobjectat0x7f9f:Failedtoestablishanewconnection:[Errno]网络不可达,))

解决方式：

[flone

master~]$pipinstalluser-agents-i