updates can be completely empty

diff --git a/FS/FS/tax_rate.pm b/FS/FS/tax_rate.pm
index 4769b32..e0f98af 100644 (file)
--- a/FS/FS/tax_rate.pm
+++ b/FS/FS/tax_rate.pm
@@ -717,7 +717,7 @@ sub batch_import {
 
   $dbh->commit or die $dbh->errstr if $oldAutoCommit;
 
-  return "Empty file!" unless $imported;
+  return "Empty file!" unless ($imported || $format eq 'cch-update');
 
   ''; #no error