A few more edits (CR)

Author: zuo

Doc/library/inspect.rst

@@ -635,7 +635,7 @@ attributes (see :ref:`import-mod-attrs` for module attributes):
 .. function:: ismethoddescriptor(object)
 
    Return ``True`` if the object is a method descriptor, but not if
-   :func:`isclass`, :func:`ismethod` or :func:`isfunction` are true.
+   :func:`isclass`, :func:`ismethod` or :func:`isfunction` is true.
 
    This, for example, is true of ``int.__add__``.  An object passing this test
    has a :meth:`~object.__get__` method, but not a :meth:`~object.__set__`
@@ -645,8 +645,8 @@ attributes (see :ref:`import-mod-attrs` for module attributes):
 
    Method descriptors that also pass any of the other tests (:func:`!isclass`,
    :func:`!ismethod` or :func:`!isfunction`) make this function return ``False``,
-   simply because those other tests promise more -- you can, e.g., count on
-   having the :attr:`~method.__func__` attribute when an object passes
+   simply because those other tests promise more -- you can, for example, count
+   on having the :attr:`~method.__func__` attribute when an object passes
    :func:`ismethod`.
 
    .. versionchanged:: 3.13
@@ -658,7 +658,7 @@ attributes (see :ref:`import-mod-attrs` for module attributes):
 .. function:: isdatadescriptor(object)
 
    Return ``True`` if the object is a data descriptor, but not if
-   :func:`isclass`, :func:`ismethod` or :func:`isfunction` are true.
+   :func:`isclass`, :func:`ismethod` or :func:`isfunction` is true.
 
    Data descriptors always have a :meth:`~object.__set__` method and/or
    a :meth:`~object.__delete__` method.  Optionally, they may also have a

Lib/inspect.py

@@ -196,18 +196,17 @@ def ispackage(object):
 def ismethoddescriptor(object):
     """Return true if the object is a method descriptor.
 
-    But not if ismethod() or isclass() or isfunction() are true.
+    But not if ismethod(), isclass() or isfunction() is true.
 
-    This is new in Python 2.2, and, for example, is true of int.__add__.
-    An object passing this test has a __get__ attribute, but not a
-    __set__ attribute or a __delete__ attribute. Beyond that, the set
-    of attributes varies; __name__ is usually sensible, and __doc__
-    often is.
+    An object passing this test (for example, int.__add__) has a __get__
+    attribute, but not a __set__ attribute or a __delete__ attribute.
+    Beyond that, the set of attributes varies; __name__ is usually
+    sensible, and __doc__ often is.
 
     Methods implemented via descriptors that also pass one of the other
     tests (ismethod(), isclass(), isfunction()) make this function return
-    false, simply because those other tests promise more -- you can, e.g.,
-    count on having the __func__ attribute when an object passes
+    false, simply because those other tests promise more -- you can, for
+    example, count on having the __func__ attribute when an object passes
     ismethod()."""
     if isclass(object) or ismethod(object) or isfunction(object):
         # mutual exclusion
@@ -220,7 +219,7 @@ def ismethoddescriptor(object):
 def isdatadescriptor(object):
     """Return true if the object is a data descriptor.
 
-    But not if ismethod() or isclass() or isfunction() are true.
+    But not if ismethod(), isclass() or isfunction() is true.
 
     Data descriptors have a __set__ or a __delete__ attribute.  Examples are
     properties, getsets, and members.  For the latter two (defined only in C