[New-bugs-announce] [issue23945] webbrowser.open opens twice on Windows if BROWSER is set

[andig2]

New submission from andig2:

Setup: IE default browser, FF37 preferred browser and configured in BROWSER env variable

Test:

import webbrowser
url = "http://localhost"
webbrowser.open(url + '?XDEBUG_SESSION_START=sublime.xdebug')

Behaviour:

1st run: FF opens -> ok
2nd run: FF opens new tab -> ok, in addition, IE opens -> WRONG

----------
components: Library (Lib)
messages: 240863
nosy: andig2
priority: normal
severity: normal
status: open
title: webbrowser.open opens twice on Windows if BROWSER is set
type: behavior
versions: Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23945>
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