Removed newly redundant embedded import.
diff --git a/Lib/test/test_traceback.py b/Lib/test/test_traceback.py
index 511fb58..da56e0d 100644
--- a/Lib/test/test_traceback.py
+++ b/Lib/test/test_traceback.py
@@ -57,7 +57,6 @@
                 past = time.time() - 3
                 os.utime(testfile, (past, past))
             else:
-                import time
                 time.sleep(3) # not to stay in same mtime.
 
             if 'test_bug737473' in sys.modules: