empty files should not be in uploaded state, they should remain in empty state.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31570 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_dms/WorkflowTemplateItem/portal_workflow/document_interaction_workflow/scripts/upload.xml

@@ -54,7 +54,8 @@
         <item>
             <key> <string>_body</string> </key>
             <value> <string>document = state_change[\'object\']\n
-document.uploadFile()\n
+if document.hasBaseData():\n
+  document.uploadFile()\n
 \n
 # do not activate conversion if the object is in portal_contributions\n
 # because it will be gone from there in a second\n

bt5/erp5_dms/bt/revision

-1050
+1051
\ No newline at end of file