image2pnm.py failed: out , err pngtopnm: EOF / write error writing a row of pixels
Command failed: pngtopnm /src/astrometry/net/data/files/uploaded/259/259462340c1bdc0020d126a03e8402670c43983e > /tmp/tmptjaebhvc
Traceback (most recent call last):
  File "/src/astrometry/util/image2pnm.py", line 298, in main
    convert_image(options.infile, options.outfile,
  File "/src/astrometry/util/image2pnm.py", line 235, in convert_image
    (imgtype, errstr) = image2pnm(infile, outfile, force_ppm=force_ppm,
  File "/src/astrometry/util/image2pnm.py", line 200, in image2pnm
    do_command(cmd % (shell_escape(infile), shell_escape(outfile)))
  File "/src/astrometry/util/image2pnm.py", line 60, in do_command
    sys.exit(-1)
SystemExit: -1