Hi!<div><br></div><div>I am getting the following error when trying to open a notebook:</div><div><br></div><div><div>Traceback (most recent call last):</div><div>  File &quot;/Library/Frameworks/Python.framework/Versions/2.6/bin/./ipython&quot;, line 7, in &lt;module&gt;</div>
<div>    launch_new_instance()</div><div>  File &quot;/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/IPython/frontend/terminal/ipapp.py&quot;, line 406, in launch_new_instance</div><div>    app.start()</div>
<div>  File &quot;/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/IPython/frontend/terminal/ipapp.py&quot;, line 376, in start</div><div>    return self.subapp.start()</div><div>  File &quot;/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/IPython/frontend/html/notebook/notebookapp.py&quot;, line 447, in start</div>
<div>    browser = webbrowser.get(self.browser)</div><div>  File &quot;/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/webbrowser.py&quot;, line 47, in get</div><div>    command = _synthesize(browser)</div>
<div>  File &quot;/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/webbrowser.py&quot;, line 84, in _synthesize</div><div>    cmd = browser.split()[0]</div><div>IndexError: list index out of range</div></div>
<div><br></div><div>What might be the problem?</div><div><br></div><div>Thanks</div><div><br></div><div>-Gerardo</div>