diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index ff8f089431c667..c18590325a87c7 100755
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -72,10 +72,7 @@
 __all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError", "ReadError",
            "CompressionError", "StreamError", "ExtractError", "HeaderError",
            "ENCODING", "USTAR_FORMAT", "GNU_FORMAT", "PAX_FORMAT",
-           "DEFAULT_FORMAT", "open","fully_trusted_filter", "data_filter",
-           "tar_filter", "FilterError", "AbsoluteLinkError",
-           "OutsideDestinationError", "SpecialFileError", "AbsolutePathError",
-           "LinkOutsideDestinationError"]
+           "DEFAULT_FORMAT", "open"]
 
 
 #---------------------------------------------------------
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index 236c4f6911d98e..5d76b5fae29b8c 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -2176,18 +2176,26 @@ def test_number_field_limits(self):
             tarfile.itn(0x10000000000, 6, tarfile.GNU_FORMAT)
 
     def test__all__(self):
-        blacklist = {
-            'version', 'grp', 'pwd', 'symlink_exception', 'NUL', 'BLOCKSIZE',
-            'RECORDSIZE', 'GNU_MAGIC', 'POSIX_MAGIC', 'LENGTH_NAME',
-            'LENGTH_LINK', 'LENGTH_PREFIX', 'REGTYPE', 'AREGTYPE', 'LNKTYPE',
-            'SYMTYPE', 'CHRTYPE', 'BLKTYPE', 'DIRTYPE', 'FIFOTYPE', 'CONTTYPE',
-            'GNUTYPE_LONGNAME', 'GNUTYPE_LONGLINK', 'GNUTYPE_SPARSE',
-            'XHDTYPE', 'XGLTYPE', 'SOLARIS_XHDTYPE', 'SUPPORTED_TYPES',
-            'REGULAR_TYPES', 'GNU_TYPES', 'PAX_FIELDS', 'PAX_NAME_FIELDS',
-            'PAX_NUMBER_FIELDS', 'stn', 'nts', 'nti', 'itn', 'calc_chksums',
-            'copyfileobj', 'filemode', 'EmptyHeaderError',
-            'TruncatedHeaderError', 'EOFHeaderError', 'InvalidHeaderError',
-            'SubsequentHeaderError', 'ExFileObject', 'main'}
+        blacklist = {'version', 'grp', 'pwd', 'symlink_exception',
+                     'NUL', 'BLOCKSIZE', 'RECORDSIZE', 'GNU_MAGIC',
+                     'POSIX_MAGIC', 'LENGTH_NAME', 'LENGTH_LINK',
+                     'LENGTH_PREFIX', 'REGTYPE', 'AREGTYPE', 'LNKTYPE',
+                     'SYMTYPE', 'CHRTYPE', 'BLKTYPE', 'DIRTYPE', 'FIFOTYPE',
+                     'CONTTYPE', 'GNUTYPE_LONGNAME', 'GNUTYPE_LONGLINK',
+                     'GNUTYPE_SPARSE', 'XHDTYPE', 'XGLTYPE', 'SOLARIS_XHDTYPE',
+                     'SUPPORTED_TYPES', 'REGULAR_TYPES', 'GNU_TYPES',
+                     'PAX_FIELDS', 'PAX_NAME_FIELDS', 'PAX_NUMBER_FIELDS',
+                     'stn', 'nts', 'nti', 'itn', 'calc_chksums', 'copyfileobj',
+                     'filemode',
+                     'EmptyHeaderError', 'TruncatedHeaderError',
+                     'EOFHeaderError', 'InvalidHeaderError',
+                     'SubsequentHeaderError', 'ExFileObject',
+                     'main',
+                     'fully_trusted_filter', 'data_filter',
+                     'tar_filter', 'FilterError', 'AbsoluteLinkError',
+                     'OutsideDestinationError', 'SpecialFileError',
+                     'AbsolutePathError', 'LinkOutsideDestinationError',
+                     }
         support.check__all__(self, tarfile, blacklist=blacklist)