[error:沒有解析庫]Couldn't find a tree builder with the features you requested: xml. Do you need to install a parser library?
將代碼拷貝到服務器上運行，發生錯誤提示需要新安裝parser library.
查看代碼中發現有以下內容：
soup = BeautifulSoup(open(fp), 'xml')安裝解析庫即可：
pip install lxml[error:沒有解析庫]Couldn't find a tree builder with the features you requested: xml. Do you need to install a parser library?
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