Display error when attempting to open a TL for an unauthorized user. Closes #485

doc/changelog.md

@@ -9,6 +9,7 @@ TWBlue Changelog
 * Fixed error when attempting to mention an user by using the "mention" button in any people buffer. Now tweets should be posted normally.
 * Fixed error when loading other user lists. ([#465](https://github.com/MCV-Software/TWBlue/issues/465))
 * Fixed an issue that was making TWBlue to display incorrectly some retweets of quoted tweets.
+* If TWBlue is unable to open a timeline for someone who has blocked you, this will be reported in a dialog. ([#485,](https://github.com/mcv-software/twblue/issues/485))
 * Added "find a string in the currently focused buffer" action into Windows 10 and windows 11 keymap. ([#476](https://github.com/MCV-Software/TWBlue/pull/476))
 
 ## changes in version 22.2.23

src/controller/mainController.py

@@ -869,7 +869,7 @@ class Controller(object):
                     tl = buffers.twitter.BaseBuffer(self.view.nb, "user_timeline", "%s-timeline" % (usr.id_str,), buff.session, buff.session.db["user_name"], bufferType=None, sound="tweet_timeline.ogg", user_id=usr.id_str, include_ext_alt_text=True, tweet_mode="extended")
                     try:
                         tl.start_stream(play_sound=False)
-                    except ValueError:
+                    except TweepyException:
                         commonMessageDialogs.unauthorized()
                         return
                     pos=self.view.search("timelines", buff.session.db["user_name"])