Issue #25210: Change error message of do_richcompare()

Don't add parenthesis to type names. Add also quotes around the type names.

Before:

  TypeError: unorderable types: int() < NoneType()

After:

  TypeError: '<' not supported between instances of 'int' and 'NoneType'
diff --git a/Doc/howto/argparse.rst b/Doc/howto/argparse.rst
index 510d1d4..9c111b4 100644
--- a/Doc/howto/argparse.rst
+++ b/Doc/howto/argparse.rst
@@ -547,7 +547,8 @@
    Traceback (most recent call last):
      File "prog.py", line 11, in <module>
        if args.verbosity >= 2:
-   TypeError: unorderable types: NoneType() >= int()
+   TypeError: '>=' not supported between instances of 'NoneType' and 'int'
+
 
 * First output went well, and fixes the bug we had before.
   That is, we want any value >= 2 to be as verbose as possible.
diff --git a/Doc/library/enum.rst b/Doc/library/enum.rst
index 18519f0..0fbbf5a 100644
--- a/Doc/library/enum.rst
+++ b/Doc/library/enum.rst
@@ -257,7 +257,7 @@
     >>> Color.red < Color.blue
     Traceback (most recent call last):
       File "<stdin>", line 1, in <module>
-    TypeError: unorderable types: Color() < Color()
+    TypeError: '<' not supported between instances of 'Color' and 'Color'
 
 Equality comparisons are defined though::
 
diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
index 2f06544..ff5196d 100644
--- a/Doc/library/pathlib.rst
+++ b/Doc/library/pathlib.rst
@@ -195,7 +195,7 @@
    >>> PureWindowsPath('foo') < PurePosixPath('foo')
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
-   TypeError: unorderable types: PureWindowsPath() < PurePosixPath()
+   TypeError: '<' not supported between instances of 'PureWindowsPath' and 'PurePosixPath'
 
 
 Operators