Input Notebook:  TEST.ipynb
Output Notebook: TEST-out.ipynb

---------------------------------------------------------------------------
TraitError                                Traceback (most recent call last)
<ipython-input-5-e639fa5e6e6b> in <module>()
      2    'TEST.ipynb',
      3    'TEST-out.ipynb',
----> 4    parameters = dict(test_param='3333')
      5 )

C:\bin\python\anaconda\lib\site-packages\papermill\execute.pyc in execute_notebook(notebook, output, parameters, kernel_name, progress_bar, log_output)
    170     processor = ExecutePreprocessor(
    171         timeout=None,
--> 172         kernel_name=kernel_name or nb.metadata.kernelspec.name, )
    173     processor.progress_bar = progress_bar
    174     processor.log_output = log_output

C:\bin\python\anaconda\lib\site-packages\nbconvert\preprocessors\base.pyc in __init__(self, **kw)
     39         """
     40
---> 41         super(Preprocessor, self).__init__(**kw)
     42
     43

C:\bin\python\anaconda\lib\site-packages\nbconvert\utils\base.pyc in __init__(self, **kw)
     27
     28     def __init__(self, **kw):
---> 29         super(NbConvertBase, self).__init__(**kw)

C:\bin\python\anaconda\lib\site-packages\traitlets\config\configurable.pyc in __init__(self, **kwargs)
     71
     72         # load kwarg traits, other than config
---> 73         super(Configurable, self).__init__(**kwargs)
     74
     75         # load config

C:\bin\python\anaconda\lib\site-packages\traitlets\traitlets.pyc in __init__(self, *args, **kwargs)
    993             for key, value in kwargs.items():
    994                 if self.has_trait(key):
--> 995                     setattr(self, key, value)
    996                 else:
    997                     # passthrough args that don't set traits to super

C:\bin\python\anaconda\lib\site-packages\traitlets\traitlets.pyc in __set__(self, obj, value)
    581             raise TraitError('The "%s" trait is read-only.' % self.name)
    582         else:
--> 583             self.set(obj, value)
    584
    585     def _validate(self, obj, value):

C:\bin\python\anaconda\lib\site-packages\traitlets\traitlets.pyc in set(self, obj, value)
    555
    556     def set(self, obj, value):
--> 557         new_value = self._validate(obj, value)
    558         try:
    559             old_value = obj._trait_values[self.name]

C:\bin\python\anaconda\lib\site-packages\traitlets\traitlets.pyc in _validate(self, obj, value)
    587             return value
    588         if hasattr(self, 'validate'):
--> 589             value = self.validate(obj, value)
    590         if obj._cross_validation_lock is False:
    591             value = self._cross_validate(obj, value)

C:\bin\python\anaconda\lib\site-packages\traitlets\traitlets.pyc in validate(self, obj, value)
   1948
   1949         def validate(self, obj, value):
-> 1950             value = self._validate_int(obj, value)
   1951             return _validate_bounds(self, obj, value)
   1952

C:\bin\python\anaconda\lib\site-packages\traitlets\traitlets.pyc in _validate_int(self, obj, value)
   1945                 if isinstance(value, Int64):
   1946                     return int(value)
-> 1947             self.error(obj, value)
   1948
   1949         def validate(self, obj, value):

C:\bin\python\anaconda\lib\site-packages\traitlets\traitlets.pyc in error(self, obj, value)
    621             e = "The '%s' trait must be %s, but a value of %r was specified." \
    622                 % (self.name, self.info(), repr_type(value))
--> 623         raise TraitError(e)
    624
    625     def get_metadata(self, key, default=None):

TraitError: The 'timeout' trait of an ExecutePreprocessor instance must be an integer, but a value of None <type 'NoneType'> was specified.