Error running generate_hdf5.py

[xjoshramos]

('Image ID ', 524280)
('Image ID ', 267434)
('Image ID ', 344059)
('Image ID ', 90108)
('Image ID ', 179112)
('Image ID ', 311295)
('Num samples ', 55242)
Traceback (most recent call last):
File "generate_hdf5.py", line 323, in
writeHDF5()
File "generate_hdf5.py", line 220, in writeHDF5
meta_data[clidx][i] = long(height_binary[i])
ValueError: invalid literal for long() with base 10: ''