TWBlue can run successfully if there are no sessions configured to run at program startup or the Internet connection doesn't work (for example, you are behind a proxy but you haven't configured it yet)

src/controller/mainController.py

@@ -994,6 +994,7 @@ class Controller(object):
     if buffer != None: break
   else:
    buffer = self.view.search("home_timeline", buf.session.db["user_name"])
+  if buffer!=None:
    self.view.change_buffer(buffer)
 
  def up(self, *args, **kwargs):

src/sessionmanager/session.py

@@ -135,11 +135,15 @@ class Session(object):
   if the user account isn't authorised, it needs to call self.authorise() before login."""
 
   if self.settings["twitter"]["user_key"] != None and self.settings["twitter"]["user_secret"] != None:
+   try:
     log.debug("Logging in to twitter...")
     self.twitter.login(self.settings["twitter"]["user_key"], self.settings["twitter"]["user_secret"], verify_credentials)
     self.logged = True
     log.debug("Logged.")
     self.counter = 0
+   except:
+    log.error("The login attempt failed.")
+    self.logged = False
   else:
    self.logged = False
    raise Exceptions.RequireCredentialsSessionError