How to use the jsonpickle.compat.unicode function in jsonpickle

mod = __import__(name)
        except ImportError:
            return False

        # Handle submodules, e.g. django.utils.simplejson
        try:
            for attr in name.split('.')[1:]:
                mod = getattr(mod, attr)
        except AttributeError:
            return False

        if (not self._store(self._encoders, name, mod, dumps) or
                not self._store(self._decoders, name, mod, loads)):
            return False

        if isinstance(loads_exc, (str, unicode)):
            # This backend's decoder exception is part of the backend
            if not self._store(self._decoder_exceptions, name, mod, loads_exc):
                return False
        else:
            # simplejson uses ValueError
            self._decoder_exceptions[name] = loads_exc

        # Setup the default args and kwargs for this encoder/decoder
        self._encoder_options[name] = ([], {})
        self._decoder_options[name] = ([], {})

        # Add this backend to the list of candidate backends
        self._backend_names.append(name)

        # Indicate that we successfully loaded a JSON backend
        self._verified = True

# we ignore those
                    pass

            if has_reduce and not reduce_val:
                try:
                    reduce_val = obj.__reduce__()
                except TypeError:
                    # A lot of builtin types have a reduce which just raises a TypeError
                    # we ignore those
                    pass

            if reduce_val:
                try:
                    # At this stage, we only handle the case where __reduce__ returns a string
                    # other reduce functionality is implemented further down
                    if isinstance(reduce_val, (str, unicode)):
                        varpath = iter(reduce_val.split('.'))
                        # curmod will be transformed by the loop into the value to pickle
                        curmod = sys.modules[next(varpath)]
                        for modname in varpath:
                            curmod = getattr(curmod, modname)
                            # replace obj with value retrieved
                        return self._flatten(curmod)
                except KeyError:
                    # well, we can't do anything with that, so we ignore it
                    pass

            if has_getnewargs_ex:
                data[tags.NEWARGSEX] = list(map(self._flatten, obj.__getnewargs_ex__()))

            if has_getnewargs and not has_getnewargs_ex:
                data[tags.NEWARGS] = self._flatten(obj.__getnewargs__())

def _restore_from_dict(self, obj, instance, ignorereserved=True):
        restore_key = self._restore_key_fn()
        method = _obj_setattr

        for k, v in sorted(obj.items(), key=util.itemgetter):
            # ignore the reserved attribute
            if ignorereserved and k in tags.RESERVED:
                continue
            if isinstance(k, numeric_types):
                str_k = unicode(k)
            else:
                str_k = k
            self._namestack.append(str_k)
            k = restore_key(k)
            # step into the namespace
            value = self._restore(v)
            if (util.is_noncomplex(instance) or
                    util.is_dictionary_subclass(instance)):
                instance[k] = value
            else:
                setattr(instance, k, value)

            # This instance has an instance variable named `k` that is
            # currently a proxy and must be replaced
            if isinstance(value, _Proxy):
                self._proxies.append((instance, k, value, method))

if not util.is_picklable(k, v):
            return data
        if self.keys:
            if not isinstance(k, (str, unicode)) or k.startswith(tags.JSON_KEY):
                k = self._escape_key(k)
        else:
            if k is None:
                k = 'null'  # for compatibility with common json encoders

            if self.numeric_keys and isinstance(k, numeric_types):
                pass
            elif not isinstance(k, (str, unicode)):
                try:
                    k = repr(k)
                except:
                    k = unicode(k)

        data[k] = self._flatten(v)
        return data

if not util.is_picklable(k, v):
            return data
        if self.keys:
            if not isinstance(k, (str, unicode)) or k.startswith(tags.JSON_KEY):
                k = self._escape_key(k)
        else:
            if k is None:
                k = 'null'  # for compatibility with common json encoders

            if self.numeric_keys and isinstance(k, numeric_types):
                pass
            elif not isinstance(k, (str, unicode)):
                try:
                    k = repr(k)
                except:
                    k = unicode(k)

        data[k] = self._flatten(v)
        return data

try:
                state = obj.__getstate__()
            except TypeError:
                # Has getstate but it cannot be called, e.g. file descriptors
                # in Python3
                self._pickle_warning(obj)
                return None
            else:
                return self._getstate(state, data)

        if util.is_module(obj):
            if self.unpicklable:
                data[tags.REPR] = '%s/%s' % (obj.__name__,
                                             obj.__name__)
            else:
                data = unicode(obj)
            return data

        if util.is_dictionary_subclass(obj):
            self._flatten_dict_obj(obj, data)
            return data

        if util.is_sequence_subclass(obj):
            return self._flatten_sequence_obj(obj, data)

        if util.is_noncomplex(obj):
            return [self._flatten(v) for v in obj]

        if util.is_iterator(obj):
            # force list in python 3
            data[tags.ITERATOR] = list(map(self._flatten, islice(obj, self._max_iter)))
            return data

def _restore_from_dict(self, obj, instance, ignorereserved=True):
        restore_key = self._restore_key_fn()
        method = _obj_setattr

        for k, v in sorted(obj.items(), key=util.itemgetter):
            # ignore the reserved attribute
            if ignorereserved and k in tags.RESERVED:
                continue
            if isinstance(k, numeric_types):
                str_k = unicode(k)
            else:
                str_k = k
            self._namestack.append(str_k)
            k = restore_key(k)
            # step into the namespace
            value = self._restore(v)
            if (util.is_noncomplex(instance) or
                    util.is_dictionary_subclass(instance)):
                instance[k] = value
            else:
                setattr(instance, k, value)

            # This instance has an instance variable named `k` that is
            # currently a proxy and must be replaced
            if isinstance(value, _Proxy):
                self._proxies.append((instance, k, value, method))

def _restore_dict(self, obj):
        data = {}
        restore_key = self._restore_key_fn()
        for k, v in sorted(obj.items(), key=util.itemgetter):
            if isinstance(k, numeric_types):
                str_k = unicode(k)
            else:
                str_k = k
            self._namestack.append(str_k)
            k = restore_key(k)
            data[k] = self._restore(v)
            self._namestack.pop()
        return data

def itemgetter(obj, getter=operator.itemgetter(0)):
    return unicode(getter(obj))