use isinstance instead of type(); fix indentation

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6932 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Document/Folder.py

@@ -104,9 +104,9 @@ class FolderMixIn(ExtensionClass.Base, CopyContainer):
     """ delete items in this folder.
       `id` can be a list or a string.
     """
-    if type(id) is type(''):
+    if isinstance(id, str):
       self._delObject(id)
-    elif type(id) is type([]) or type(id) is type(()):
+    elif isinstance(id, list) or isinstance(id, tuple):
       for my_id in id:
         self._delObject(my_id)
     else:
@@ -135,8 +135,6 @@ class FolderMixIn(ExtensionClass.Base, CopyContainer):
         my_id = 1
       while self.hasContent(str(my_id)):
         my_id = my_id + 1
-        #LOG('_setLastId', 0, str(self))
-        #LOG('_setLastId', 0, str(self.aq_base))
       self._setLastId(str(my_id)) # Make sure no reindexing happens
     else:
       my_id = self.portal_ids.generateNewId(id_group=id_group,default=default,method=method)