Not working about hdf5-to-json-converter HOT 3 OPEN

Traceback (most recent call last):
  File "HDF5toJSON.py", line 26, in <module>
    h5file = open_file(sys.argv[1])
  File "/usr/local/lib/python2.7/site-packages/tables/file.py", line 320, in open_file
    return File(filename, mode, title, root_uep, filters, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/tables/file.py", line 784, in __init__
    self._g_new(filename, mode, **params)
  File "tables/hdf5extension.pyx", line 489, in tables.hdf5extension.File._g_new
tables.exceptions.HDF5ExtError: HDF5 error back trace

  File "H5F.c", line 604, in H5Fopen
    unable to open file
  File "H5Fint.c", line 1087, in H5F_open
    unable to read superblock
  File "H5Fsuper.c", line 277, in H5F_super_read
    file signature not found

End of HDF5 error back trace

Unable to open/create file '/Users/ivanstan/projects/MODIS/MOD14.A2018290.1035.006.NRT.hdf'

python HDF5toJSON.py /path/to/my/existing/file.hdf5
Traceback (most recent call last):
  File "HDF5toJSON.py", line 125, in <module>
    json_data = converter(h5file)
  File "HDF5toJSON.py", line 61, in __init__
    gp_contents = {gp_name : self.groupContentsDict[gp_name]}
KeyError: 'groupe_name'
Closing remaining open files : /path/to/my/existing/file.hdf5

		for array in h5file.list_nodes(group, classname="Array"):
			array_name = array._v_name
			array_contents = array.read()
			array_info = {array_name : array_contents}
			self.groupContentsDict[name].update(array_info)

		for gp in h5file.list_nodes(group, classname="Group"):
			gp_name = gp._v_name
			gp_contents = {gp_name : self.groupContentsDict[gp_name]}
			self.groupContentsDict[name].update(gp_contents)

		for table in h5file.list_nodes(group, classname="Table"):
			table_name = table._v_name
			table_contents = table.read()
			table_info = {table_name : table_contents}
			self.groupContentsDict[name].update(table_info)	

def jsonOutput(self):
	"""
	Returns a JSON document containing all the information stored in the HDF5 file.
	Creates a JSON file of the same name as the input HDF5 file with json extension.
	When decoded the file contains a nested dictionary. 
	The primary key is the root group '\'. 
	"""
	alpha = self.groupContentsDict

	json_file_name = self.file_name + '.json' 
	with io.open(json_file_name, 'w', encoding='utf-8') as f:
		#record = json.dumps(alpha,cls=NumpyAwareJSONEncoder)
		f.write(json.dumps(alpha, cls=NumpyAwareJSONEncoder, ensure_ascii=False))
	f.close()
	return 

def Groups(self):
	"""
	Returns all the groups in the HDF5 file. 
	Helpful in exploring the file and getting an idea of the contents. 
	"""	
	return json.dumps(self.allGroups, cls=NumpyAwareJSONEncoder)

def subgroups(self, group):
	"""
	Returns the subgroups of the group.  
	"""	
	return json.dumps(self.groupParentDict[group], cls=NumpyAwareJSONEncoder)

def groupContents(self, group):
	"""
	Returns the contents of a groups. 
	You can access the contents of the group directly
	without following the hierarchy. 
	""" 	
	info = self.groupContentsDict[group]
	return json.dumps(info, cls=NumpyAwareJSONEncoder)