minor fixes

gui/gui_classic/password_dialog.py

@@ -37,6 +37,8 @@ def make_password_dialog(self, wallet, msg):
 
     grid = QGridLayout()
     grid.setSpacing(8)
+    grid.setColumnMinimumWidth(0,300)
+    grid.setColumnStretch(1,1)
 
     if wallet.use_encryption:
         grid.addWidget(QLabel(_('Password')), 1, 0)

lib/network.py

@@ -49,6 +49,7 @@ class Network(threading.Thread):
         self.callbacks = {}
         self.servers = []
         self.banner = ''
+        self.interface = None
 
 
     def register_callback(self, event, callback):