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Fix #1335468 [Editor: ValueError: No JSON object could be decoded](https://bugs.launchpad.net/calibre/+bug/1335468)

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This commit is contained in:
Kovid Goyal 2014-06-29 08:48:53 +05:30
parent 042a4749f7
commit 4ee214295b
1 changed files with 4 additions and 1 deletions
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5
src/calibre/gui2/tweak_book/live_css.py
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@ -409,7 +409,10 @@ class LiveCSS(QWidget):
result = unicode(mf.evaluateJavaScript(
'window.calibre_preview_integration.live_css(%s, %s)' % (
json.dumps(sourceline), json.dumps(tags))).toString())
result = json.loads(result)
try:
result = json.loads(result)
except ValueError:
result = None
if result is not None:
maximum_specificities = {}
for node in result['nodes']: