Apply suggestions from code review

Co-authored-by: Stan Ulbrych <stan@python.org>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Author: serhiy-storchaka

Doc/library/compression.zstd.rst

@@ -847,7 +847,7 @@ the following constants:
 
 .. data:: ZSTD_VERSION_INFO
 
-   A named tuple containing the four components of the zstd library
+   A named tuple containing the three components of the zstd library
    version that was used for building the module:
    *major*, *minor*, and *patch*.  All values are integers.
    The components can also be accessed by name, so ``zstd.ZSTD_VERSION_INFO[0]``

Doc/library/zlib.rst

@@ -499,7 +499,8 @@ the following constants:
    *major*, *minor*, *revision*, and *subversion*.
    All values are integers.
    The components can also be accessed by name, so ``zlib.VERSION_INFO[0]``
-   is equivalent to ``zlib.VERSION_INFO.major`` and so on.
+   The components can also be accessed by name, so ``zlib.ZLIB_VERSION_INFO[0]``
+   is equivalent to ``zlib.ZLIB_VERSION_INFO.major`` and so on.
    This may be different from the zlib library actually used at runtime, which
    is available as :const:`zlib_version_info`.
 

Lib/test/test_zstd.py

@@ -150,7 +150,7 @@ def _test_zstd_version(self, v, string):
 
         self.assertEqual(string, '%d.%d.%d' % v)
 
-    def test_lzma_version(self):
+    def test_zstd_version(self):
         if support.verbose:
             print(f'ZSTD_VERSION = {zstd.ZSTD_VERSION}', flush=True)
             print(f'zstd_version = {zstd.zstd_version}', flush=True)

Modules/_bz2module.c

@@ -760,7 +760,7 @@ static PyStructSequence_Field bzlib_version_fields[] = {
     {0}
 };
 
-static PyStructSequence_Desc zlib_version_desc = {
+static PyStructSequence_Desc bzlib_version_desc = {
     "_bz2.bzlib_version_info",    /* name */
     bzlib_version__doc__,    /* doc */
     bzlib_version_fields,    /* fields */
@@ -828,7 +828,7 @@ _bz2_exec(PyObject *module)
         return -1;
     }
     PyTypeObject *version_type;
-    version_type = PyStructSequence_NewType(&zlib_version_desc);
+    version_type = PyStructSequence_NewType(&bzlib_version_desc);
     if (version_type == NULL) {
         return -1;
     }