Fix compatibility with urwid 3.0.4

Fixes #558

Author: lahwaacz

toot/tui/images.py

@@ -94,7 +94,7 @@ def graphics_widget(img, image_format="block", corner_radius=0, colors=16777216)
         # "<" means left-justify the image
 
 except ImportError:
-    from urwid.raw_display import Screen
+    from urwid.display.raw import Screen
     TuiScreen = Screen
 
     def image_support_enabled():

toot/tui/timeline.py

@@ -20,7 +20,7 @@
 
 
 logger = logging.getLogger("toot")
-screen = urwid.raw_display.Screen()
+screen = urwid.display.raw.Screen()
 
 
 class Timeline(urwid.Columns):

toot/tui/utils.py

@@ -72,7 +72,7 @@ def parse_content_links(content):
     return parser.links[:]
 
 
-def copy_to_clipboard(screen: urwid.raw_display.Screen, text: str):
+def copy_to_clipboard(screen: urwid.display.raw.Screen, text: str):
     """ copy text to clipboard using OSC 52
     This escape sequence is documented
     here https://iterm2.com/documentation-escape-codes.html