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我試圖在RHEL服務器上設置Google CourseBuilder站點。我按照指示here並讓服務器運行。但是,每個請求都會出錯,並顯示以下消息。我還沒有從所提供的包裝改變任何配置和類似的方法在Windows工作8Google App Engine中的錯誤Python for CourseBuilder導入
ERROR 2013-03-07 16:05:10,337 dev_appserver_import_hook.py:1251] Third party package markupsafe was enabled in app.yaml but not found on import. You may have to download and install it.
INFO 2013-03-07 16:05:10,412 dev_appserver.py:3104] "GET/HTTP/1.1" 302 -
奇怪的是,該markupsafe包已經在.../google_appengine/lib目錄/ markupsafe-0.15
任何想法如何解決這個問題?