Bugfixes with load_userdb_from_file.

config.py

@@ -64,6 +64,8 @@ class UserDB:
 def load_userdb_from_content(content):
     userdb = UserDB()
     for line in content.split('\n'):
+        if line == "":
+            continue
         login, password, admin = line.split(None, 2)
         userdb.add_user(login, password, admin)
     return userdb

server.py

@@ -59,7 +59,7 @@ class Server:
         self.config = config
         self.contexts = []
         if config['userdb']:
-            self.users = config.load_userdb_from_file(config['userdb'])
+            self.users = load_userdb_from_file(config['userdb'])
         else:
             self.users = UserDB()