diff -r 62e97cd13730 -r ff4d2d4f1fb0 src/p4l/management/commands/import_record.py
--- a/src/p4l/management/commands/import_record.py	Wed Aug 28 15:29:18 2013 +0200
+++ b/src/p4l/management/commands/import_record.py	Wed Aug 28 18:45:41 2013 +0200
@@ -1,16 +1,14 @@
 # -*- coding: utf-8 -*-
 
+from django.core.management import BaseCommand
+from django.db import reset_queries, transaction
+from optparse import make_option
+from p4l.models import Record, Language
 from p4l.utils import show_progress, get_code_from_language_uri
-from p4l.models import Record, Language
 from rdflib import Graph, Namespace, BNode, URIRef
 from rdflib.plugins.sparql import prepareQuery
-from django.core.management import BaseCommand
-from optparse import make_option
+import logging
 import xml.etree.cElementTree as ET
-from django.db import reset_queries, transaction
-import traceback
-import logging
-import sys
 
 logger = logging.getLogger(__name__)
 
@@ -297,7 +295,7 @@
             record.volumeIssues,
             graph,
             ['volume', 'number', 'lang'],
-            "SELECT ?v ?n (lang(COALESCE(?v, ?n)) as ?lang) WHERE { [ iiep:volumeIssue ?bnode ]. OPTIONAL { ?bnode iiep:volume ?v }. OPTIONAL { ?bnode iiep:number ?v }}",
+            "SELECT ?v ?n (lang(COALESCE(?v, ?n)) as ?lang) WHERE { [ iiep:volumeIssue ?bnode ]. OPTIONAL { ?bnode iiep:volume ?v }. OPTIONAL { ?bnode iiep:number ?n }}",
             convert={'lang':lambda l: self.convert_lang(l, default_language_code)}
         )
 
@@ -335,7 +333,7 @@
 
         context = ET.iterparse(records_url, events=("end",))
         i = 0
-        for event,elem in context:
+        for _,elem in context:
             if elem.tag == "{%s}Record" % IIEP:
                 i += 1
                 writer = show_progress(i, total_records, "Processing record nb %d " % i, 50, writer=writer)