when a model object used as a filter, query builder enters into an endless loop

[evrenesat]

In [1]: from ulakbus.models.hitap import HizmetOkul

In [2]: from ulakbus.models.personel import Personel

In [3]: p = Personel.objects.filter(ad='Mahmut')[0]

In [4]: p
Out[4]: <Personel: Mahmut Can (98765432101 | None)>

In [5]: HizmetOkul.objects.filter(personel=p)[0]

In [1]: from ulakbus.models.personel import Personel
In [2]: from ulakbus.models.hitap import HizmetOkul

In [3]: p = Personel.objects.filter(ad='Per7')[0]

In [4]: p
Out[4]: <Personel: Per7 Selam>

In [5]: HizmetOkul.objects.filter()[0]
Out[5]: <HizmetOkul: 888888888 123131 1231231>

In [6]: HizmetOkul.objects.filter()[1]
Out[6]: <HizmetOkul: 111111 Cupiditate est corrupti temporibus amet doloribus vitae tenetur nostrud velit nisi delectus eos maxime quia consequatur et tempore obcaecati deleniti Consequatur iste sit praesentium provident voluptas est voluptate>

In [7]: HizmetOkul.objects.filter()[1].personel
Out[7]: <LazyModel at 0x7f15a344aa50 wrapping <Personel: Per7 Selam> at 0x7f15a3452b10 with factory <function <lambda> at 0x7f15a3447a28>>

In [8]: HizmetOkul.objects.filter()[0].personel
Out[8]: <LazyModel at 0x7f15a345fc80 wrapping <Personel: Per7 Selam> at 0x7f15a33f1bd0 with factory <function <lambda> at 0x7f15a33ef488>>

In [9]: p = Personel.objects.filter(ad='Per7')[0]

In [10]: p
Out[10]: <Personel: Per7 Selam>

In [11]: HizmetOkul.objects.filter(personel=p)[0]
---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
<ipython-input-11-019163888efd> in <module>()
----> 1 HizmetOkul.objects.filter(personel=p)[0]

/app/ulakbusenv/local/lib/python2.7/site-packages/pyoko/db/base.pyc in __getitem__(self, index)
    172     def __getitem__(self, index):
    173         if isinstance(index, int):
--> 174             return self.set_params(rows=1, start=index)._get()
    175         elif isinstance(index, slice):
    176             # start, stop, step = index.indices(len(self))

/app/ulakbusenv/local/lib/python2.7/site-packages/pyoko/db/base.pyc in set_params(self, **params)
    428                             "%s %s %s" % (self._solr_query, self._solr_params)
    429                             )
--> 430         clone = copy.deepcopy(self)
    431         clone._solr_params.update(params)
    432         return clone

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    172             copier = getattr(x, "__deepcopy__", None)
    173             if copier:
--> 174                 y = copier(memo)
    175             else:
    176                 reductor = dispatch_table.get(cls)

/app/ulakbusenv/local/lib/python2.7/site-packages/pyoko/db/base.pyc in __deepcopy__(self, memo)
    206                 obj.__dict__[k] = v
    207             else:
--> 208                 obj.__dict__[k] = copy.deepcopy(v, memo)
    209         obj.compiled_query = ''
    210         obj.key = None

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    161     copier = _deepcopy_dispatch.get(cls)
    162     if copier:
--> 163         y = copier(x, memo)
    164     else:
    165         try:

/usr/lib/python2.7/copy.pyc in _deepcopy_list(x, memo)
    228     memo[id(x)] = y
    229     for a in x:
--> 230         y.append(deepcopy(a, memo))
    231     return y
    232 d[list] = _deepcopy_list

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    161     copier = _deepcopy_dispatch.get(cls)
    162     if copier:
--> 163         y = copier(x, memo)
    164     else:
    165         try:

/usr/lib/python2.7/copy.pyc in _deepcopy_tuple(x, memo)
    235     y = []
    236     for a in x:
--> 237         y.append(deepcopy(a, memo))
    238     d = id(x)
    239     try:

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    188                             raise Error(
    189                                 "un(deep)copyable object of type %s" % cls)
--> 190                 y = _reconstruct(x, rv, 1, memo)
    191
    192     memo[d] = y

/usr/lib/python2.7/copy.pyc in _reconstruct(x, info, deep, memo)
    332     if state:
    333         if deep:
--> 334             state = deepcopy(state, memo)
    335         if hasattr(y, '__setstate__'):
    336             y.__setstate__(state)

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    161     copier = _deepcopy_dispatch.get(cls)
    162     if copier:
--> 163         y = copier(x, memo)
    164     else:
    165         try:

/usr/lib/python2.7/copy.pyc in _deepcopy_dict(x, memo)
    255     memo[id(x)] = y
    256     for key, value in x.iteritems():
--> 257         y[deepcopy(key, memo)] = deepcopy(value, memo)
    258     return y
    259 d[dict] = _deepcopy_dict

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    188                             raise Error(
    189                                 "un(deep)copyable object of type %s" % cls)
--> 190                 y = _reconstruct(x, rv, 1, memo)
    191
    192     memo[d] = y

/usr/lib/python2.7/copy.pyc in _reconstruct(x, info, deep, memo)
    332     if state:
    333         if deep:
--> 334             state = deepcopy(state, memo)
    335         if hasattr(y, '__setstate__'):
    336             y.__setstate__(state)

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    161     copier = _deepcopy_dispatch.get(cls)
    162     if copier:
--> 163         y = copier(x, memo)
    164     else:
    165         try:

/usr/lib/python2.7/copy.pyc in _deepcopy_dict(x, memo)
    255     memo[id(x)] = y
    256     for key, value in x.iteritems():
--> 257         y[deepcopy(key, memo)] = deepcopy(value, memo)
    258     return y
    259 d[dict] = _deepcopy_dict

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    188                             raise Error(
    189                                 "un(deep)copyable object of type %s" % cls)
--> 190                 y = _reconstruct(x, rv, 1, memo)
    191
    192     memo[d] = y

/usr/lib/python2.7/copy.pyc in _reconstruct(x, info, deep, memo)
    326         dictiter = None
    327     if deep:
--> 328         args = deepcopy(args, memo)
    329     y = callable(*args)
    330     memo[id(x)] = y

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    161     copier = _deepcopy_dispatch.get(cls)
    162     if copier:
--> 163         y = copier(x, memo)
    164     else:
    165         try:

/usr/lib/python2.7/copy.pyc in _deepcopy_tuple(x, memo)
    235     y = []
    236     for a in x:
--> 237         y.append(deepcopy(a, memo))
    238     d = id(x)
    239     try:

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    188                             raise Error(
    189                                 "un(deep)copyable object of type %s" % cls)
--> 190                 y = _reconstruct(x, rv, 1, memo)
    191
    192     memo[d] = y

/usr/lib/python2.7/copy.pyc in _reconstruct(x, info, deep, memo)
    332     if state:
    333         if deep:
--> 334             state = deepcopy(state, memo)
    335         if hasattr(y, '__setstate__'):
    336             y.__setstate__(state)

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    161     copier = _deepcopy_dispatch.get(cls)
    162     if copier:
--> 163         y = copier(x, memo)
    164     else:
    165         try:

/usr/lib/python2.7/copy.pyc in _deepcopy_dict(x, memo)
    255     memo[id(x)] = y
    256     for key, value in x.iteritems():
--> 257         y[deepcopy(key, memo)] = deepcopy(value, memo)
    258     return y
    259 d[dict] = _deepcopy_dict

/usr/lib/python2.7/copy.pyc in deepcopy(x, memo, _nil)
    188                             raise Error(
    189                                 "un(deep)copyable object of type %s" % cls)
--> 190                 y = _reconstruct(x, rv, 1, memo)
    191
    192     memo[d] = y

/usr/lib/python2.7/copy.pyc in _reconstruct(x, info, deep, memo)
    326         dictiter = None
    327     if deep:
--> 328         args = deepcopy(args, memo)
    329     y = callable(*args)
    330     memo[id(x)] = y