pythongh-98374: Suppress ImportError for invalid query for help() command.

Author: corona10

Lib/pydoc.py

@@ -2053,7 +2053,11 @@ def help(self, request):
                 doc(eval(request), 'Help on %s:')
             elif request in self.keywords: self.showtopic(request)
             elif request in self.topics: self.showtopic(request)
-            elif request: doc(request, 'Help on %s:', output=self._output)
+            elif request:
+                try:
+                    doc(request, 'Help on %s:', output=self._output)
+                except ImportError as e:
+                    self.output.write(str(e))
             else: doc(str, 'Help on %s:', output=self._output)
         elif isinstance(request, Helper): self()
         else: doc(request, 'Help on %s:', output=self._output)

Misc/NEWS.d/next/Core and Builtins/2022-10-19-23-48-46.gh-issue-98374.eOBh8M.rst

@@ -0,0 +1,2 @@
+Suppress ImportError for invalid query for help() command. Patch by Dong-hee
+Na.