C:/Users/Chen>pip install lxml Collecting lxml  Using cached lxml-3.5.0.tar.gz Installing collected packages: lxml  Running setup.py install for lxml ... error   Complete output from command "d:/program files/python/python.exe" -u -c "import setuptools, tokenize;__file__='C://Users//CHENJU~1//AppData//Local//Temp//pip-build-id5180h6//lxml//setup.py';   Building lxml version 3.5.0.   Building without Cython.   ERROR: b"'xslt-config' /xb2/xbb/xca/xc7/xc4/xda/xb2/xbf/xbb/xf2/xcd/xe2/xb2/xbf/xc3/xfc/xc1/xee/xa3/xac/xd2/xb2/xb2/xbb/xca/xc7/xbf/xc9/xd4/xcb/xd0/xd0/xb5/xc4/xb3/xcc/xd0/xf2/r/n/xbb/xf2/xc   ** make sure the development packages of libxml2 and libxslt are installed **    Using build configuration of libxslt   running install   running build   running build_py   creating build   creating build/lib.win32-3.5   creating build/lib.win32-3.5/lxml   copying src/lxml/builder.py -> build/lib.win32-3.5/lxml   copying src/lxml/cssselect.py -> build/lib.win32-3.5/lxml   copying src/lxml/doctestcompare.py -> build/lib.win32-3.5/lxml   copying src/lxml/ElementInclude.py -> build/lib.win32-3.5/lxml   copying src/lxml/pyclasslookup.py -> build/lib.win32-3.5/lxml   copying src/lxml/sax.py -> build/lib.win32-3.5/lxml   copying src/lxml/usedoctest.py -> build/lib.win32-3.5/lxml   copying src/lxml/_elementpath.py -> build/lib.win32-3.5/lxml   copying src/lxml/__init__.py -> build/lib.win32-3.5/lxml   creating build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/__init__.py -> build/lib.win32-3.5/lxml/includes   creating build/lib.win32-3.5/lxml/html   copying src/lxml/html/builder.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/clean.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/defs.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/diff.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/ElementSoup.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/formfill.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/html5parser.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/soupparser.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/usedoctest.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/_diffcommand.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/_html5builder.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/_setmixin.py -> build/lib.win32-3.5/lxml/html   copying src/lxml/html/__init__.py -> build/lib.win32-3.5/lxml/html   creating build/lib.win32-3.5/lxml/isoschematron   copying src/lxml/isoschematron/__init__.py -> build/lib.win32-3.5/lxml/isoschematron   copying src/lxml/lxml.etree.h -> build/lib.win32-3.5/lxml   copying src/lxml/lxml.etree_api.h -> build/lib.win32-3.5/lxml   copying src/lxml/includes/c14n.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/config.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/dtdvalid.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/etreepublic.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/htmlparser.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/relaxng.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/schematron.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/tree.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/uri.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/xinclude.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/xmlerror.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/xmlparser.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/xmlschema.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/xpath.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/xslt.pxd -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/etree_defs.h -> build/lib.win32-3.5/lxml/includes   copying src/lxml/includes/lxml-version.h -> build/lib.win32-3.5/lxml/includes   creating build/lib.win32-3.5/lxml/isoschematron/resources   creating build/lib.win32-3.5/lxml/isoschematron/resources/rng   copying src/lxml/isoschematron/resources/rng/iso-schematron.rng -> build/lib.win32-3.5/lxml/isoschematron/resources/rng   creating build/lib.win32-3.5/lxml/isoschematron/resources/xsl   copying src/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl   copying src/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl   creating build/lib.win32-3.5/lxml/isoschematron/resources/xsl/iso-schematron-xslt1   copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl/iso-schematron-xslt1   copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl/iso-schematron-xslt1   copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl/iso-schematron-xslt1   copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl/iso-schematron-xslt1   copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl/iso-schematron-xslt1   copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt -> build/lib.win32-3.5/lxml/isoschematron/resources/xsl/iso-schematron-xslt1   running build_ext   building 'lxml.etree' extension   error: Unable to find vcvarsall.bat    ---------------------------------------- 

sudo apt-get install python-dev libxml2-dev libxslt1-dev zlib1g-dev