TypeError: Cannot cast array data from dtype('V24') to dtype('float64') according to the rule 'safe'

[traverseda]

Input Parameters
------------------------
previous_result: None
scale: 2
damp: 0.1
update: False
ignore: []
operator: polygon
photo_adjust: True
method: CG
norm: 2
------------------------
<open file 'sr_sequences/text/pgm/im.000.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.001.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.002.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.003.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.004.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.005.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.006.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.007.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.008.pgm', mode 'r' at 0x7f9dd83f6150>
<open file 'sr_sequences/text/pgm/im.009.pgm', mode 'r' at 0x7f9dd83f6150>
Traceback (most recent call last):
  File "super_resolve.py", line 105, in <module>
    img_warp = homography(ic[i], ic[i].info['H'])
  File "/usr/lib/python2.7/site-packages/supreme/transform/transform.py", line 198, in matrix
    coords = _homography_coords(image, matrix, output_shape)
  File "/usr/lib/python2.7/site-packages/supreme/transform/transform.py", line 131, in _homography_coords
    tf_coords = np.dot(tf_coords, np.linalg.inv(matrix).transpose())
TypeError: Cannot cast array data from dtype('V24') to dtype('float64') according to the rule 'safe'

Tried to get this up and running, but it wasn't too happy. I imagine it's just new versions of numpy. I presume it's something as simple as int("4"), but I don't really have the numpy experience to dig into it.