prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Candidate has_answered siempre en false
  ¿Cómo se hace para que deje de mostrar el enlace a twitter para candidatos que tienen todas las respuestas?
  ¿Cómo se hace para cambiar "pídele" por "pedile"?
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `elections/models.py`
  Content:
  ```
  1 # coding=utf-8
  2 from django.db import models
  3 from autoslug import AutoSlugField
  4 from taggit.managers import TaggableManager
  5 from django.core.urlresolvers import reverse
  6 from popolo.models import Person, Area
  7 from django.utils.translation import ugettext_lazy as _
  8 from markdown_deux.templatetags.markdown_deux_tags import markdown_allowed
  9 from candidator.models import Category, Topic as CanTopic
  10 from picklefield.fields import PickledObjectField
  11 from django.conf import settings
  12 from django.utils.encoding import python_2_unicode_compatible
  13 from django.contrib.flatpages.models import FlatPage
  14 import copy
  15 
  16 
  17 class ExtraInfoMixin(models.Model):
  18     extra_info = PickledObjectField(default={})
  19 
  20     class Meta:
  21         abstract = True
  22 
  23     def __init__(self, *args, **kwargs):
  24         super(ExtraInfoMixin, self).__init__(*args, **kwargs)
  25         default_extra_info = copy.copy(self.default_extra_info)
  26         default_extra_info.update(self.extra_info)
  27         self.extra_info = default_extra_info
  28 
  29 
  30 class Candidate(Person, ExtraInfoMixin):
  31     election = models.ForeignKey('Election', related_name='candidates', null=True)
  32 
  33     default_extra_info = settings.DEFAULT_CANDIDATE_EXTRA_INFO
  34 
  35     @property
  36     def twitter(self):
  37         links = self.contact_details.filter(contact_type="TWITTER")
  38         if links:
  39             return links.first()
  40 
  41     class Meta:
  42         verbose_name = _("Candidato")
  43         verbose_name_plural = _("Candidatos")
  44 
  45 
  46 class CandidateFlatPage(FlatPage):
  47     candidate = models.ForeignKey(Candidate, related_name='flatpages')
  48 
  49     class Meta:
  50         verbose_name = _(u"Página estáticas por candidato")
  51         verbose_name_plural = _(u"Páginas estáticas por candidato")
  52 
  53     def get_absolute_url(self):
  54         return reverse('candidate_flatpage', kwargs={'election_slug': self.candidate.election.slug,
  55                                                      'slug': self.candidate.id,
  56                                                      'url': self.url
  57                                                      }
  58                        )
  59 
  60 
  61 class PersonalData(models.Model):
  62     candidate = models.ForeignKey('Candidate', related_name="personal_datas")
  63     label = models.CharField(max_length=512)
  64     value = models.CharField(max_length=1024)
  65 
  66 
  67 class Topic(CanTopic):
  68     class Meta:
  69         proxy = True
  70         verbose_name = _(u"Pregunta")
  71         verbose_name_plural = _(u"Preguntas")
  72 
  73     @property
  74     def election(self):
  75         category = QuestionCategory.objects.get(category_ptr=self.category)
  76         return category.election
  77 
  78 
  79 @python_2_unicode_compatible
  80 class QuestionCategory(Category):
  81     election = models.ForeignKey('Election', related_name='categories', null=True)
  82 
  83     def __str__(self):
  84         return u'<%s> in <%s>' % (self.name, self.election.name)
  85 
  86     class Meta:
  87         verbose_name = _(u"Categoría de pregunta")
  88         verbose_name_plural = _(u"Categorías de pregunta")
  89 
  90 
  91 class Election(ExtraInfoMixin, models.Model):
  92     name = models.CharField(max_length=255)
  93     slug = AutoSlugField(populate_from='name', unique=True)
  94     description = models.TextField(blank=True)
  95     tags = TaggableManager(blank=True)
  96     searchable = models.BooleanField(default=True)
  97     highlighted = models.BooleanField(default=False)
  98     extra_info_title = models.CharField(max_length=50, blank=True, null=True)
  99     extra_info_content = models.TextField(max_length=3000, blank=True, null=True, help_text=_("Puedes usar Markdown. <br/> ")
  100             + markdown_allowed())
  101     uses_preguntales = models.BooleanField(default=True, help_text=_(u"Esta elección debe usar preguntales?"))
  102     uses_ranking = models.BooleanField(default=True, help_text=_(u"Esta elección debe usar ranking"))
  103     uses_face_to_face = models.BooleanField(default=True, help_text=_(u"Esta elección debe usar frente a frente"))
  104     uses_soul_mate = models.BooleanField(default=True, help_text=_(u"Esta elección debe usar 1/2 naranja"))
  105     uses_questionary = models.BooleanField(default=True, help_text=_(u"Esta elección debe usar cuestionario"))
  106 
  107     default_extra_info = settings.DEFAULT_ELECTION_EXTRA_INFO
  108     area = models.ForeignKey(Area, null=True, related_name="elections")
  109 
  110     def __unicode__(self):
  111         return self.name
  112 
  113     def get_absolute_url(self):
  114         return reverse('election_view', kwargs={'slug': self.slug})
  115 
  116     def get_extra_info_url(self):
  117             return reverse('election_extra_info', kwargs={'slug': self.slug})
  118 
  119     class Meta:
  120             verbose_name = _(u'Mi Elección')
  121             verbose_name_plural = _(u'Mis Elecciones')
  122
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/elections/models.py b/elections/models.py
  --- a/elections/models.py
  +++ b/elections/models.py
  @@ -6,7 +6,7 @@
   from popolo.models import Person, Area
   from django.utils.translation import ugettext_lazy as _
   from markdown_deux.templatetags.markdown_deux_tags import markdown_allowed
  -from candidator.models import Category, Topic as CanTopic
  +from candidator.models import Category, Topic as CanTopic, TakenPosition
   from picklefield.fields import PickledObjectField
   from django.conf import settings
   from django.utils.encoding import python_2_unicode_compatible
  @@ -38,6 +38,11 @@
           if links:
               return links.first()
   
  +    @property
  +    def has_answered(self):
  +        are_there_answers = TakenPosition.objects.filter(person=self, position__isnull=False).exists()
  +        return are_there_answers
  +
       class Meta:
           verbose_name = _("Candidato")
           verbose_name_plural = _("Candidatos")
  
verification_info: {"golden_diff": "diff --git a/elections/models.py b/elections/models.py\n--- a/elections/models.py\n+++ b/elections/models.py\n@@ -6,7 +6,7 @@\n from popolo.models import Person, Area\n from django.utils.translation import ugettext_lazy as _\n from markdown_deux.templatetags.markdown_deux_tags import markdown_allowed\n-from candidator.models import Category, Topic as CanTopic\n+from candidator.models import Category, Topic as CanTopic, TakenPosition\n from picklefield.fields import PickledObjectField\n from django.conf import settings\n from django.utils.encoding import python_2_unicode_compatible\n@@ -38,6 +38,11 @@\n         if links:\n             return links.first()\n \n+    @property\n+    def has_answered(self):\n+        are_there_answers = TakenPosition.objects.filter(person=self, position__isnull=False).exists()\n+        return are_there_answers\n+\n     class Meta:\n         verbose_name = _(\"Candidato\")\n         verbose_name_plural = _(\"Candidatos\")\n", "issue": "Candidate has_answered siempre en false\n\u00bfC\u00f3mo se hace para que deje de mostrar el enlace a twitter para candidatos que tienen todas las respuestas?\n\u00bfC\u00f3mo se hace para cambiar \"p\u00eddele\" por \"pedile\"?\n\n", "before_files": [{"content": "# coding=utf-8\nfrom django.db import models\nfrom autoslug import AutoSlugField\nfrom taggit.managers import TaggableManager\nfrom django.core.urlresolvers import reverse\nfrom popolo.models import Person, Area\nfrom django.utils.translation import ugettext_lazy as _\nfrom markdown_deux.templatetags.markdown_deux_tags import markdown_allowed\nfrom candidator.models import Category, Topic as CanTopic\nfrom picklefield.fields import PickledObjectField\nfrom django.conf import settings\nfrom django.utils.encoding import python_2_unicode_compatible\nfrom django.contrib.flatpages.models import FlatPage\nimport copy\n\n\nclass ExtraInfoMixin(models.Model):\n    extra_info = PickledObjectField(default={})\n\n    class Meta:\n        abstract = True\n\n    def __init__(self, *args, **kwargs):\n        super(ExtraInfoMixin, self).__init__(*args, **kwargs)\n        default_extra_info = copy.copy(self.default_extra_info)\n        default_extra_info.update(self.extra_info)\n        self.extra_info = default_extra_info\n\n\nclass Candidate(Person, ExtraInfoMixin):\n    election = models.ForeignKey('Election', related_name='candidates', null=True)\n\n    default_extra_info = settings.DEFAULT_CANDIDATE_EXTRA_INFO\n\n    @property\n    def twitter(self):\n        links = self.contact_details.filter(contact_type=\"TWITTER\")\n        if links:\n            return links.first()\n\n    class Meta:\n        verbose_name = _(\"Candidato\")\n        verbose_name_plural = _(\"Candidatos\")\n\n\nclass CandidateFlatPage(FlatPage):\n    candidate = models.ForeignKey(Candidate, related_name='flatpages')\n\n    class Meta:\n        verbose_name = _(u\"P\u00e1gina est\u00e1ticas por candidato\")\n        verbose_name_plural = _(u\"P\u00e1ginas est\u00e1ticas por candidato\")\n\n    def get_absolute_url(self):\n        return reverse('candidate_flatpage', kwargs={'election_slug': self.candidate.election.slug,\n                                                     'slug': self.candidate.id,\n                                                     'url': self.url\n                                                     }\n                       )\n\n\nclass PersonalData(models.Model):\n    candidate = models.ForeignKey('Candidate', related_name=\"personal_datas\")\n    label = models.CharField(max_length=512)\n    value = models.CharField(max_length=1024)\n\n\nclass Topic(CanTopic):\n    class Meta:\n        proxy = True\n        verbose_name = _(u\"Pregunta\")\n        verbose_name_plural = _(u\"Preguntas\")\n\n    @property\n    def election(self):\n        category = QuestionCategory.objects.get(category_ptr=self.category)\n        return category.election\n\n\n@python_2_unicode_compatible\nclass QuestionCategory(Category):\n    election = models.ForeignKey('Election', related_name='categories', null=True)\n\n    def __str__(self):\n        return u'<%s> in <%s>' % (self.name, self.election.name)\n\n    class Meta:\n        verbose_name = _(u\"Categor\u00eda de pregunta\")\n        verbose_name_plural = _(u\"Categor\u00edas de pregunta\")\n\n\nclass Election(ExtraInfoMixin, models.Model):\n    name = models.CharField(max_length=255)\n    slug = AutoSlugField(populate_from='name', unique=True)\n    description = models.TextField(blank=True)\n    tags = TaggableManager(blank=True)\n    searchable = models.BooleanField(default=True)\n    highlighted = models.BooleanField(default=False)\n    extra_info_title = models.CharField(max_length=50, blank=True, null=True)\n    extra_info_content = models.TextField(max_length=3000, blank=True, null=True, help_text=_(\"Puedes usar Markdown. <br/> \")\n            + markdown_allowed())\n    uses_preguntales = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar preguntales?\"))\n    uses_ranking = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar ranking\"))\n    uses_face_to_face = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar frente a frente\"))\n    uses_soul_mate = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar 1/2 naranja\"))\n    uses_questionary = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar cuestionario\"))\n\n    default_extra_info = settings.DEFAULT_ELECTION_EXTRA_INFO\n    area = models.ForeignKey(Area, null=True, related_name=\"elections\")\n\n    def __unicode__(self):\n        return self.name\n\n    def get_absolute_url(self):\n        return reverse('election_view', kwargs={'slug': self.slug})\n\n    def get_extra_info_url(self):\n            return reverse('election_extra_info', kwargs={'slug': self.slug})\n\n    class Meta:\n            verbose_name = _(u'Mi Elecci\u00f3n')\n            verbose_name_plural = _(u'Mis Elecciones')\n", "path": "elections/models.py"}], "after_files": [{"content": "# coding=utf-8\nfrom django.db import models\nfrom autoslug import AutoSlugField\nfrom taggit.managers import TaggableManager\nfrom django.core.urlresolvers import reverse\nfrom popolo.models import Person, Area\nfrom django.utils.translation import ugettext_lazy as _\nfrom markdown_deux.templatetags.markdown_deux_tags import markdown_allowed\nfrom candidator.models import Category, Topic as CanTopic, TakenPosition\nfrom picklefield.fields import PickledObjectField\nfrom django.conf import settings\nfrom django.utils.encoding import python_2_unicode_compatible\nfrom django.contrib.flatpages.models import FlatPage\nimport copy\n\n\nclass ExtraInfoMixin(models.Model):\n    extra_info = PickledObjectField(default={})\n\n    class Meta:\n        abstract = True\n\n    def __init__(self, *args, **kwargs):\n        super(ExtraInfoMixin, self).__init__(*args, **kwargs)\n        default_extra_info = copy.copy(self.default_extra_info)\n        default_extra_info.update(self.extra_info)\n        self.extra_info = default_extra_info\n\n\nclass Candidate(Person, ExtraInfoMixin):\n    election = models.ForeignKey('Election', related_name='candidates', null=True)\n\n    default_extra_info = settings.DEFAULT_CANDIDATE_EXTRA_INFO\n\n    @property\n    def twitter(self):\n        links = self.contact_details.filter(contact_type=\"TWITTER\")\n        if links:\n            return links.first()\n\n    @property\n    def has_answered(self):\n        are_there_answers = TakenPosition.objects.filter(person=self, position__isnull=False).exists()\n        return are_there_answers\n\n    class Meta:\n        verbose_name = _(\"Candidato\")\n        verbose_name_plural = _(\"Candidatos\")\n\n\nclass CandidateFlatPage(FlatPage):\n    candidate = models.ForeignKey(Candidate, related_name='flatpages')\n\n    class Meta:\n        verbose_name = _(u\"P\u00e1gina est\u00e1ticas por candidato\")\n        verbose_name_plural = _(u\"P\u00e1ginas est\u00e1ticas por candidato\")\n\n    def get_absolute_url(self):\n        return reverse('candidate_flatpage', kwargs={'election_slug': self.candidate.election.slug,\n                                                     'slug': self.candidate.id,\n                                                     'url': self.url\n                                                     }\n                       )\n\n\nclass PersonalData(models.Model):\n    candidate = models.ForeignKey('Candidate', related_name=\"personal_datas\")\n    label = models.CharField(max_length=512)\n    value = models.CharField(max_length=1024)\n\n\nclass Topic(CanTopic):\n    class Meta:\n        proxy = True\n        verbose_name = _(u\"Pregunta\")\n        verbose_name_plural = _(u\"Preguntas\")\n\n    @property\n    def election(self):\n        category = QuestionCategory.objects.get(category_ptr=self.category)\n        return category.election\n\n\n@python_2_unicode_compatible\nclass QuestionCategory(Category):\n    election = models.ForeignKey('Election', related_name='categories', null=True)\n\n    def __str__(self):\n        return u'<%s> in <%s>' % (self.name, self.election.name)\n\n    class Meta:\n        verbose_name = _(u\"Categor\u00eda de pregunta\")\n        verbose_name_plural = _(u\"Categor\u00edas de pregunta\")\n\n\nclass Election(ExtraInfoMixin, models.Model):\n    name = models.CharField(max_length=255)\n    slug = AutoSlugField(populate_from='name', unique=True)\n    description = models.TextField(blank=True)\n    tags = TaggableManager(blank=True)\n    searchable = models.BooleanField(default=True)\n    highlighted = models.BooleanField(default=False)\n    extra_info_title = models.CharField(max_length=50, blank=True, null=True)\n    extra_info_content = models.TextField(max_length=3000, blank=True, null=True, help_text=_(\"Puedes usar Markdown. <br/> \")\n            + markdown_allowed())\n    uses_preguntales = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar preguntales?\"))\n    uses_ranking = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar ranking\"))\n    uses_face_to_face = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar frente a frente\"))\n    uses_soul_mate = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar 1/2 naranja\"))\n    uses_questionary = models.BooleanField(default=True, help_text=_(u\"Esta elecci\u00f3n debe usar cuestionario\"))\n\n    default_extra_info = settings.DEFAULT_ELECTION_EXTRA_INFO\n    area = models.ForeignKey(Area, null=True, related_name=\"elections\")\n\n    def __unicode__(self):\n        return self.name\n\n    def get_absolute_url(self):\n        return reverse('election_view', kwargs={'slug': self.slug})\n\n    def get_extra_info_url(self):\n            return reverse('election_extra_info', kwargs={'slug': self.slug})\n\n    class Meta:\n            verbose_name = _(u'Mi Elecci\u00f3n')\n            verbose_name_plural = _(u'Mis Elecciones')\n", "path": "elections/models.py"}]}