diff --git a/openerp/modules/registry.py b/openerp/modules/registry.py
index 347ca183a69..3139c8606be 100644
--- a/openerp/modules/registry.py
+++ b/openerp/modules/registry.py
@@ -138,7 +138,7 @@ class RegistryManager(object):
             cr.close()
 
         if pooljobs:
-            pool.get('ir.cron').restart(registry.db.dbname)
+            registry.get('ir.cron').restart(registry.db.dbname)
 
         return registry
 
diff --git a/openerp/osv/orm.py b/openerp/osv/orm.py
index b93a8331e72..de6885172d4 100644
--- a/openerp/osv/orm.py
+++ b/openerp/osv/orm.py
@@ -830,9 +830,6 @@ class orm_template(object):
             if x=='.id': return [x]
             return x.replace(':id','/id').replace('.id','/.id').split('/')
         fields_to_export = map(fsplit, fields_to_export)
-        fields_export = fields_to_export + []
-        warning = ''
-        warning_fields = []
         datas = []
         for row in self.browse(cr, uid, ids, context):
             datas += self.__export_row(cr, uid, row, fields_to_export, context)
@@ -1020,7 +1017,6 @@ class orm_template(object):
 
         if config.get('import_partial', False) and filename:
             data = pickle.load(file(config.get('import_partial')))
-            original_value = data.get(filename, 0)
 
         position = 0
         while position<len(datas):
@@ -1033,7 +1029,7 @@ class orm_template(object):
                 return (-1, res, 'Line ' + str(position) +' : ' + '!\n'.join(warning), '')
 
             try:
-                id = ir_model_data_obj._update(cr, uid, self._name,
+                ir_model_data_obj._update(cr, uid, self._name,
                      current_module, res, mode=mode, xml_id=xml_id,
                      noupdate=noupdate, res_id=res_id, context=context)
             except Exception, e:
@@ -1705,7 +1701,6 @@ class orm_template(object):
         result = {'type': view_type, 'model': self._name}
 
         ok = True
-        model = True
         sql_res = False
         parent_view_model = None
         while ok:
@@ -1739,7 +1734,6 @@ class orm_template(object):
 
             ok = sql_res[5]
             view_id = ok or sql_res[3]
-            model = False
             parent_view_model = sql_res[6]
 
         # if a view was found
diff --git a/openerp/osv/osv.py b/openerp/osv/osv.py
index 425e35fc1d3..20cfd26ca0f 100644
--- a/openerp/osv/osv.py
+++ b/openerp/osv/osv.py
@@ -23,13 +23,10 @@
 # OSV: Objects Services
 #
 
-import sys
-import inspect
 import orm
 import openerp.netsvc as netsvc
 import openerp.pooler as pooler
 import openerp.sql_db as sql_db
-import copy
 import logging
 from psycopg2 import IntegrityError, errorcodes
 from openerp.tools.func import wraps
@@ -92,7 +89,7 @@ class object_proxy(netsvc.Service):
                                 ids = args[3]
                             else:
                                 ids = []
-                        cr = sql_db.db_connect(db_name).cursor()
+                        cr = sql_db.db_connect(dbname).cursor()
                         return src(obj, cr, uid, ids, context=(ctx or {}))
                     except Exception:
                         pass
@@ -103,7 +100,7 @@ class object_proxy(netsvc.Service):
                                  # be returned, it is the best we have.
 
                 try:
-                    cr = sql_db.db_connect(db_name).cursor()
+                    cr = sql_db.db_connect(dbname).cursor()
                     res = translate(cr, name=False, source_type=ttype,
                                     lang=lang, source=src)
                     if res:
diff --git a/openerp/pooler.py b/openerp/pooler.py
index f7efc6412d1..c754385d6b3 100644
--- a/openerp/pooler.py
+++ b/openerp/pooler.py
@@ -36,7 +36,7 @@ def get_db_and_pool(db_name, force_demo=False, status=None, update_module=False,
 
 def delete_pool(db_name):
     """Delete an existing registry."""
-    _Registries.delete(db_name)
+    RegistryManager.delete(db_name)
 
 
 def restart_pool(db_name, force_demo=False, status=None, update_module=False):