Check certification file value is not empty
When certifying, I choose to not take the file:
DEBUG:bma:verified_get:Requesting block on endpoint BASIC_MERKLED_API g1.elois.org 84.16.72.210 80
ERROR:root:An unhandled exception occured
Traceback (most recent call last):
File "/home/moul/projects/sakia_git/src/sakia/gui/sub/certification/view.py", line 93, in import_identity_document
with open(file_name[0], 'r') as open_file:
FileNotFoundError: [Errno 2] No such file or directory: ''
DEBUG:node:safe_request:[7vU9B]
DEBUG:node:request_peers:[7vU9B] Could not connect to any BMA endpoint
DEBUG:network:discovery_loop:New node found : 39GRf