[boywondr16]

Having just converted some pdfs to HTML through pdf2htmlEX, I'm now running into this error message when I either try to read the book thru Calibre or convert it to another format:

calibre, version 0.8.38
ERROR: Conversion Error: <b>Failed</b>: Convert book 1 of 1 (Back to the Garden)

Convert book 1 of 1 (Back to the Garden)
Resolved conversion options
calibre version: 0.8.38
{'asciiize': False,
'author_sort': None,
'authors': None,
'base_font_size': 0.0,
'book_producer': None,
'breadth_first': False,
'change_justification': u'original',
'chapter': u"//*[((name()='h1' or name()='h2') and re:test(., '\\s*((chapter|book|section|part)\\s+)|((prolog|pr ologue|epilogue)(\\s+|$))', 'i')) or @class = 'chapter']",
'chapter_mark': u'pagebreak',
'comments': None,
'cover': None,
'debug_pipeline': None,
'dehyphenate': True,
'delete_blank_paragraphs': True,
'disable_font_rescaling': False,
'dont_compress': False,
'dont_package': False,
'duplicate_links_in_toc': False,
'enable_heuristics': False,
'extra_css': None,
'extract_to': None,
'filter_css': u'',
'fix_indents': True,
'font_size_mapping': None,
'format_scene_breaks': True,
'html_unwrap_factor': 0.4,
'input_encoding': None,
'input_profile': <calibre.customize.profiles.InputProfile object at 0xaf474ac>,
'insert_blank_line': False,
'insert_blank_line_size': 0.5,
'insert_metadata': False,
'isbn': None,
'italicize_common_cases': True,
'keep_ligatures': False,
'language': None,
'level1_toc': None,
'level2_toc': None,
'level3_toc': None,
'line_height': 0.0,
'linearize_tables': False,
'margin_bottom': 5.0,
'margin_left': 5.0,
'margin_right': 5.0,
'margin_top': 5.0,
'markup_chapter_headings': True,
'max_levels': 5,
'max_toc_links': 50,
'minimum_line_height': 120.0,
'mobi_ignore_margins': False,
'mobi_toc_at_start': False,
'no_chapters_in_toc': False,
'no_inline_navbars': True,
'no_inline_toc': False,
'output_profile': <calibre.customize.profiles.KindleOutput object at 0xaf47e0c>,
'page_breaks_before': u"//*[name()='h1' or name()='h2']",
'personal_doc': u'[PDOC]',
'prefer_author_sort': False,
'prefer_metadata_cover': False,
'pretty_print': False,
'pubdate': None,
'publisher': None,
'rating': None,
'read_metadata_from_opf': '/tmp/calibre_0.8.38_tmp_wevolW/f3z8jW.opf',
'remove_fake_margins': False,
'remove_first_image': False,
'remove_paragraph_spacing': False,
'remove_paragraph_spacing_indent_size': 1.5,
'renumber_headings': True,
'replace_scene_breaks': u'',
'rescale_images': False,
'series': None,
'series_index': None,
'share_not_sync': False,
'smarten_punctuation': False,
'sr1_replace': None,
'sr1_search': None,
'sr2_replace': None,
'sr2_search': None,
'sr3_replace': None,
'sr3_search': None,
'tags': None,
'timestamp': None,
'title': None,
'title_sort': None,
'toc_filter': None,
'toc_threshold': 6,
'toc_title': None,
'unsmarten_punctuation': False,
'unwrap_lines': True,
'use_auto_toc': False,
'verbose': 2}
WARNING Property: Unknown Property name. [14:5: transform]
WARNING Property: Unknown Property name. [14:63: -ms-transform]
WARNING Property: Unknown Property name. [14:125: -moz-transform]
WARNING Property: Unknown Property name. [14:188: -webkit-transform]
WARNING Property: Unknown Property name. [14:254: -o-transform]
WARNING Property: Unknown Property name. [15:5: transform]
WARNING Property: Unknown Property name. [15:20: -ms-transform]
WARNING Property: Unknown Property name. [15:39: -moz-transform]
WARNING Property: Unknown Property name. [15:59: -webkit-transform]
WARNING Property: Unknown Property name. [15:82: -o-transform]
WARNING Property: Unknown Property name. [22:20: -webkit-min-device-pixel-ratio]
WARNING Property: Unknown Property name. [23:5: -webkit-text-stroke]
WARNING Property: Unknown Property name. [24:5: -webkit-text-stroke]
WARNING Property: Unknown Property name. [25:5: -webkit-text-stroke]
WARNING Property: Unknown Property name. [1:249388: background-size]
InputFormatPlugin: HTML Input running
on /tmp/calibre_0.8.38_tmp_wevolW/16e9vN.html
Language not specified
Creator not specified
Building file list...
IgnoreFile(u"Could not read from file: /a with error: [Errno 2] No such file or directory: u'/a'",)
IgnoreFile(u'Could not read from file: /tmp/calibre_0.8.38_tmp_wevolW/"",cj=cj.href}ck=ct.exec(cj.toLowerCase())||[],p.fn.load=function(a,c,d){if(typeof with error: [Errno 2] No such file or directory: u\'/tmp/calibre_0.8.38_tmp_wevolW/"",cj=cj.href}ck=ct.exec(cj.toLowerCase())||[],p.fn.load=function(a,c,d){if(typeof\'',)
Found files...
HTMLFile:0:a:/tmp/calibre_0.8.38_tmp_wevolW/16e9vN.html
Normalizing filename cases
Rewriting HTML links
Parsing 16e9vN.html ...
Initial parse failed, using more forgiving parsers
Parsing 16e9vN.html as HTML
Traceback (most recent call last):
File "/usr/bin/calibre-parallel", line 19, in <module>
sys.exit(main())
File "/usr/lib/calibre/calibre/utils/ipc/worker.py", line 191, in main
result = func(*args, **kwargs)
File "/usr/lib/calibre/calibre/gui2/convert/gui_conversion.py", line 31, in gui_convert_override
override_input_metadata=True)
File "/usr/lib/calibre/calibre/gui2/convert/gui_conversion.py", line 25, in gui_convert
plumber.run()
File "/usr/lib/calibre/calibre/ebooks/conversion/plumber.py", line 960, in run
accelerators, tdir)
File "/usr/lib/calibre/calibre/customize/conversion.py", line 204, in __call__
log, accelerators)
File "/usr/lib/calibre/calibre/ebooks/html/input.py", line 300, in convert
oeb = self.create_oebbook(stream.name, basedir, opts, log, mi)
File "/usr/lib/calibre/calibre/ebooks/html/input.py", line 381, in create_oebbook
rewrite_links(item.data, partial(self.resource_adder, base=dpath))
File "/usr/lib/calibre/calibre/ebooks/oeb/base.py", line 232, in rewrite_links
if v.CSS_VALUE_LIST == v.cssValueType:
AttributeError: 'PropertyValue' object has no attribute 'CSS_VALUE_LIST'
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/apport_python_hook.py", line 103, in apport_excepthook
if pr.check_ignored():
File "/usr/lib/python2.7/dist-packages/apport/report.py", line 895, in check_ignored
dom = self._get_ignore_dom()
File "/usr/lib/python2.7/dist-packages/apport/report.py", line 837, in _get_ignore_dom
dom = xml.dom.getDOMImplementation().createDocument(None , 'apport', None)
File "/usr/lib/python2.7/dist-packages/cssutils/__init__.py", line 164, in createDocument
raise NotImplementedError
NotImplementedError

Original exception was:
Traceback (most recent call last):
File "/usr/bin/calibre-parallel", line 19, in <module>
sys.exit(main())
File "/usr/lib/calibre/calibre/utils/ipc/worker.py", line 191, in main
result = func(*args, **kwargs)
File "/usr/lib/calibre/calibre/gui2/convert/gui_conversion.py", line 31, in gui_convert_override
override_input_metadata=True)
File "/usr/lib/calibre/calibre/gui2/convert/gui_conversion.py", line 25, in gui_convert
plumber.run()
File "/usr/lib/calibre/calibre/ebooks/conversion/plumber.py", line 960, in run
accelerators, tdir)
File "/usr/lib/calibre/calibre/customize/conversion.py", line 204, in __call__
log, accelerators)
File "/usr/lib/calibre/calibre/ebooks/html/input.py", line 300, in convert
oeb = self.create_oebbook(stream.name, basedir, opts, log, mi)
File "/usr/lib/calibre/calibre/ebooks/html/input.py", line 381, in create_oebbook
rewrite_links(item.data, partial(self.resource_adder, base=dpath))
File "/usr/lib/calibre/calibre/ebooks/oeb/base.py", line 232, in rewrite_links
if v.CSS_VALUE_LIST == v.cssValueType:
AttributeError: 'PropertyValue' object has no attribute 'CSS_VALUE_LIST'

What suggestions to work around this are there?