Interactive Django shell, showing how a bad unicode data error can be inserted.

gistfile1.py

In [1]: from ublog.models import Entry

In [2]: a = Entry.objects.get()

In [3]: a
Out[3]: <Entry: El título pero mas fuerte>

In [4]: a.title = "The title with more ñame"

In [5]: a.save()

In [6]: a
Out[6]: <Entry: [Bad Unicode data]>

In [7]: a.title = u"The title with more ñame"

In [8]: a.save()

In [9]: a
Out[9]: <Entry: The title with more ñame>