[py3] Minor cleanup in django.utils.archive.

django/utils/archive.py

@@ -23,7 +23,6 @@ THE SOFTWARE.
 """
 import os
 import shutil
-import sys
 import tarfile
 import zipfile
 
@@ -147,11 +146,11 @@ class TarArchive(BaseArchive):
             else:
                 try:
                     extracted = self._archive.extractfile(member)
-                except (KeyError, AttributeError):
+                except (KeyError, AttributeError) as exc:
                     # Some corrupt tar files seem to produce this
                     # (specifically bad symlinks)
-                    print ("In the tar file %s the member %s is invalid: %s" %
-                           (name, member.name, sys.exc_info()[1]))
+                    print("In the tar file %s the member %s is invalid: %s" %
+                            (name, member.name, exc))
                 else:
                     dirname = os.path.dirname(filename)
                     if dirname and not os.path.exists(dirname):