Bad strftime format, for windows, in nbconvert exporter

[jstenar]

%-d is not a valid strftime format on windows.

C:\Users\jorgenst\notebooks> ipython nbconvert --format=basic_html .\Simple_pylab.ipynb
Traceback (most recent call last):
  File "c:\Python27\Scripts\ipython-script.py", line 8, in <module>
    load_entry_point('ipython==1.0dev', 'console_scripts', 'ipython')()
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\__init__.py", line 118, in start_ipython
    return launch_new_instance(argv=argv, **kwargs)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\config\application.py", line 539, in launch_instance
    app.start()
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\terminal\ipapp.py", line 362, in start
    return self.subapp.start()
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\nbconvertapp.py", line 176, in start
    self.convert_notebooks()
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\nbconvertapp.py", line 197, in convert_notebooks
    config=self.config)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\exporters\export.py", line 61, in decorator
    return f(*args, **kwargs)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\exporters\export.py", line 214, in export_by_name
    return globals()[function_name](nb, **kw)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\exporters\export.py", line 61, in decorator
    return f(*args, **kwargs)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\exporters\export.py", line 149, in export_basic_html
    return export(BasicHTMLExporter, nb, **kw)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\exporters\export.py", line 61, in decorator
    return f(*args, **kwargs)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\exporters\export.py", line 122, in export
    output, resources = exporter_instance.from_filename(nb, resources)
  File "c:\python27\lib\site-packages\ipython-1.0dev-py2.7.egg\IPython\nbconvert\exporters\exporter.py", line 218, in from_filename
    resources['metadata']['modified_date'] = modified_date.strftime("%B %-d, %Y")
ValueError: Invalid format string

If you suspect this is an IPython bug, please report it at:
    https://github.com/ipython/ipython/issues
or send an email to the mailing list at ipython-dev@scipy.org

You can print a more detailed traceback right now with "%tb", or use "%debug"
to interactively debug it.

Extra-detailed tracebacks for bug-reporting purposes can be enabled via:
    c.Application.verbose_crash=True

[llawall]

@jstenar beat me to it - I saw this too and confirm that his fix corrects the problem