I suggest that the following be applied. This removes the devscripts dependency altogether, as it's not needed.
diff -Nru /tmp/BKSAoZWDbV/cdbs-0.4.32/scripts/cdbs-edit-patch /tmp/15PktvE0NM/cdbs-0.4.33/scripts/cdbs-edit-patch --- /tmp/BKSAoZWDbV/cdbs-0.4.32/scripts/cdbs-edit-patch 2005-04-20 14:01:34.000000000 +0200 +++ /tmp/15PktvE0NM/cdbs-0.4.33/scripts/cdbs-edit-patch 2005-11-30 00:02:24.000000000 +0100 @@ -22,7 +22,7 @@ # create clean source package in temporary dir cp -a . $TMP/$ORIGDIR cd $TMP/$ORIGDIR -debclean +debian/rules clean # create an empty patch if necessary so that the following loop stops at the # lexicographic patch position -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]