[trunk]click on Sales team > ValueError: time data '2013-07' does not match format '%Y-%m-%d'

[Twinkle Christian(OpenERP)]

try with localhost :

Go to sales > sales > sales team : traceback you will face

OpenERP Server Error

Traceback (most recent call last):
  File "/home/tch/workspace/rdtools/web/trunk/addons/web/http.py", line 314, in dispatch
    response["result"] = self._call_function(**self.params)
  File "/home/tch/workspace/rdtools/web/trunk/addons/web/http.py", line 174, in _call_function
    return self.func(*args, **kwargs)
  File "/home/tch/workspace/rdtools/web/trunk/addons/web/http.py", line 1053, in nfunc
    return func(*args, **kwargs)
  File "/home/tch/workspace/rdtools/web/trunk/addons/web/controllers/main.py", line 1024, in search_read
    return self.do_search_read(model, fields, offset, limit, domain, sort)
  File "/home/tch/workspace/rdtools/web/trunk/addons/web/controllers/main.py", line 1057, in do_search_read
    records = Model.read(ids, fields or False, request.context)
  File "/home/tch/workspace/rdtools/web/trunk/addons/web/http.py", line 581, in proxy
    result = meth(cr, request.uid, *args, **kw)
  File "/home/tch/workspace/rdtools/server/trunk/openerp/osv/orm.py", line 3652, in read
    result = self._read_flat(cr, user, select, fields, context, load)
  File "/home/tch/workspace/rdtools/server/trunk/openerp/osv/orm.py", line 3755, in _read_flat
    res2 = self._columns[val[0]].get(cr, self, ids, val, user, context=context, values=res)
  File "/home/tch/workspace/rdtools/server/trunk/openerp/osv/fields.py", line 1164, in get
    result = self._fnct(obj, cr, uid, ids, name, self._arg, context)
  File "/home/tch/workspace/rdtools/addons/trunk/crm/crm.py", line 142, in _get_opportunities_data
    res[id]['monthly_open_leads'] = self.__get_bar_values(cr, uid, obj, lead_domain, ['create_date'], 'create_date_count', 'create_date', context=context)
  File "/home/tch/workspace/rdtools/addons/trunk/crm/crm.py", line 123, in __get_bar_values
    group_obj = obj.read_group(cr, uid, domain, read_fields, groupby_field, context=context)
  File "/home/tch/workspace/rdtools/server/trunk/openerp/osv/orm.py", line 2739, in read_group
    groupby_datetime = datetime.datetime.strptime(alldata[d['id']][groupby], '%Y-%m-%d')
  File "/usr/lib/python2.7/_strptime.py", line 325, in _strptime
    (data_string, format))
ValueError: time data '2013-07' does not match format '%Y-%m-%d'