Put back a seek(0) command accidentally removed in previous commit. Fixed mixed-up order of pickle loading error message.
Put back a seek(0) command accidentally removed in previous commit. Fixed mixed-up order of pickle loading error message.

mjabri/topographica,mjabri/topographica,mjabri/topographica,ioam/topographica,ioam/topographica,mjabri/topographica,Tasignotas/topographica_mirror,ioam/topographica,Tasignotas/topographica_mirror,Tasignotas/topographica_mirror,Tasignotas/topographica_mirror,ioam/topographica,mjabri/topographica,ioam/topographica,Tasignotas/topographica_mirror