quick frontend (chat): removed hack not needed anymore now that Pyjamas is not used anymore

sat_frontends/quick_frontend/quick_chat.py

@@ -41,15 +41,6 @@ ROOM_USER_MOVED = (ROOM_USER_JOINED, ROOM_USER_LEFT)
 
 # from datetime import datetime
 
-try:
-    # FIXME: to be removed when an acceptable solution is here
-    str("")  # XXX: unicode doesn't exist in pyjamas
-except (
-    TypeError,
-    AttributeError,
-):  # Error raised is not the same depending on pyjsbuild options
-    str = str
-
 # FIXME: day_format need to be settable (i18n)