return default view of an ERP5 portal type.

bt5/erp5_wendelin/DocumentTemplateItem/portal_components/document.erp5.DataArray.py

@@ -104,7 +104,8 @@ class DataArray(BigFile):
       # we served a chunk of content in response to a range request.
       return ''
 
-    return ''
+    # return default view
+    return self.view()
 
   # FIXME this duplicates a lot of code from ERP5's BigFile
   # -> TODO reuse BigFile streaming capability without copying its code

bt5/erp5_wendelin/DocumentTemplateItem/portal_components/document.erp5.DataArray.xml

@@ -47,8 +47,8 @@
             <value>
               <tuple>
                 <string>W: 99, 42: Redefining built-in \'format\' (redefined-builtin)</string>
-                <string>W:115,  4: Redefining built-in \'range\' (redefined-builtin)</string>
-                <string>W:142, 10: No exception type(s) specified (bare-except)</string>
+                <string>W:116,  4: Redefining built-in \'range\' (redefined-builtin)</string>
+                <string>W:143, 10: No exception type(s) specified (bare-except)</string>
               </tuple>
             </value>
         </item>