diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index c6d3a04..62975dd 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -513,41 +513,41 @@
         test_winsound
         """,
    'mac':
-   		"""
-		test_al
-		test_bsddb
-		test_cd
-		test_cl
-		test_commands
-		test_crypt
-		test_dbm
-		test_dl
-		test_fcntl
-		test_fork1
-		test_gl
-		test_grp
-		test_imgfile
-		test_largefile
-		test_linuxaudiodev
-		test_locale
-		test_mmap
-		test_nis
-		test_ntpath
-		test_openpty
-		test_poll
-		test_popen2
-		test_pty
-		test_pwd
-		test_signal
-		test_socket_ssl
-		test_socketserver
-		test_sunaudiodev
-		test_sundry
-		test_timing
-		test_unicode_file
-		test_winreg
-		test_winsound
-		""",
+        """
+        test_al
+        test_bsddb
+        test_cd
+        test_cl
+        test_commands
+        test_crypt
+        test_dbm
+        test_dl
+        test_fcntl
+        test_fork1
+        test_gl
+        test_grp
+        test_imgfile
+        test_largefile
+        test_linuxaudiodev
+        test_locale
+        test_mmap
+        test_nis
+        test_ntpath
+        test_openpty
+        test_poll
+        test_popen2
+        test_pty
+        test_pwd
+        test_signal
+        test_socket_ssl
+        test_socketserver
+        test_sunaudiodev
+        test_sundry
+        test_timing
+        test_unicode_file
+        test_winreg
+        test_winsound
+        """,
 }
 
 class _ExpectedSkips: