setup: exclude urwid versions that break Tui (#5992)

Author: oliver-sanders

conda-environment.yml

@@ -17,7 +17,7 @@ dependencies:
   - pyzmq >=22
   - setuptools >=49,!=67.*
   - importlib_metadata # [py<3.8]
-  - urwid >=2,<3
+  - urwid >=2,<3,!=2.6.2,!=2.6.3
   - tomli >=2 # [py<3.11]
 
 # optional dependencies

setup.cfg

@@ -75,7 +75,8 @@ install_requires =
     # https://github.com/pypa/setuptools/issues/3802
     setuptools>=49,!=67.*
     importlib_metadata; python_version < "3.8"
-    urwid==2.*
+    # NOTE: exclude two urwid versions that were not compatible with Tui
+    urwid==2.*,!=2.6.2,!=2.6.3
     # unpinned transient dependencies used for type checking
     rx
     promise