Fix NameError in pause module (#42038)

* Fix NameError in pause module

* Add comment and changelog

Co-authored-by: Jerry Chong <jchong@netbase.com>

changelogs/fragments/pause-try-except-curses.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+  - pause - nest try except when importing curses to gracefully fail if curses is not present (https://github.com/ansible/ansible/issues/42004)

lib/ansible/plugins/action/pause.py

@@ -39,9 +39,14 @@ except ImportError:
 
 try:
     import curses
+
+    # Nest the try except since curses.error is not available if curses did not import
+    try:
         curses.setupterm()
         HAS_CURSES = True
-except (ImportError, curses.error):
+    except curses.error:
+        HAS_CURSES = False
+except ImportError:
     HAS_CURSES = False
 
 if HAS_CURSES: