Python ValueError:字典更新序列元素#0的长度为1；2是必需的

我找不到这个错误。 在疾病中添加了一个字段，即模型中的contact和taggable manager之后，生成了错误 若这是正确的，那个么这个错误是由于我手动提供的Id字段而产生的 帮我摆脱这一切

• 个人（myapp）/url.py

• mysite/url.py

  urlpatterns = [
      url(r'^$',include('personal.urls')),
      url(r'^taggit/',include('taggit_selectize.urls')),
  ]
  

• models.py

  class DoctorSignup(models.Model):
      contact_regex = RegexValidator(regex=r'^[789]\d{9}$',message="Phone number must be start with 7,8 or 9")
      doid = models.AutoField(verbose_name='Doctor Id',primary_key=True,default=0)
      email = models.CharField(max_length=50)
      contact = models.CharField(validators=[contact_regex])
  
  class TaggedSymptoms(TaggedItemBase):
      content_object = models.ForeignKey("Disease")
  
  class TaggedMedicine(TaggedItemBase):
      content_object = models.ForeignKey("Disease")
  
  class Disease(models.Model):
      did = models.AutoField(verbose_name='Disease Id', primary_key=True,default=0)
      dName = models.CharField(max_length=20)
      dtype = models.CharField(max_length=10)
  
      symptoms = TaggableManager(through=TaggedSymptoms)               
      symptoms.rel.related_name = "+"
  
      medi = TaggableManager(through=TaggedMedicine)
      medi.rel.related_name = "+"
  

• views.py

  class doctorsu(TemplateView):
      template_name = 'personal/doctorsu.html'
  
      def get(self, request):
          dsform = DoctorSignupForm()
          data = DoctorSignup.objects.all()          
          args = {'dsform': dsform,'data': data}
          return render(request,self.template_name,args)
  
      def post(self, request):                       
          dsform = DoctorSignupForm(request.POST)   
          if dsform.is_valid():
              dsform.save()                           
              cd = dsform.cleaned_data
              args = {'dsform': dsform , 'cd': cd}     
              return render(request,self.template_name,args)
  
          return render(request, 'personal/doctorsu.html')
  
  class AddDisease(TemplateView):
      template_name = 'personal/disease.html'
  
      def get(self, request):
          dform = DiseaseForm()
          ddata = Disease.objects.all()
          args = {'dform': dform,'ddata': ddata}
          return render(request,self.template_name,args)
  
      def post(self, request):                       
          dform = DiseaseForm(request.POST)          
          if dform.is_valid():
              dform.save()                           
              cd = dform.cleaned_data
              args = {'dform': dform , 'cd': cd}
          return render(request,self.template_name,args)
  

• forms.py

  class DoctorSignupForm(forms.ModelForm):
      dname = forms.CharField()
      email = forms.EmailField()
      contact = forms.RegexField(regex=r'^[789]\d{9}$',error_messages="Enter valid phone no.")
      class Meta:
          model = DoctorSignup
          fields = "__all__"
  
  class DiseaseForm(ModelForm):
  
      dName = forms.CharField(help_text="Enter disease")
  
      symptoms = TagField(help_text="Enter symptoms separated by comma")
      medicine = TagField()
  
      class Meta:
          model = Disease
          fields = "__all__"
  

• 回溯
  回溯（最近一次呼叫最后一次）：

  文件“manage.py”，第22行，在
  从命令行（sys.argv）执行命令
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\core\management\\ uuuuuu init\uuuuuu.py”，第363行，从命令行执行
  utility.execute（）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\core\management\\ uuuuuu init\uuuuuu.py”，第355行，执行
  self.fetch_命令（子命令）。从_argv（self.argv）运行_
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\core\management\base.py”，第283行，运行于\u argv
  self.execute（*args，**cmd_选项）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\core\management\base.py”，第327行，执行
  self.check（）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\core\management\base.py”，第359行，处于检查状态
  包括部署检查=包括部署检查，
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\core\management\base.py”，第346行，在运行检查中
  返回检查。运行检查（**kwargs）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\35-32\lib\site packages\django\core\checks\registry.py”，第81行，运行检查
  新建错误=检查（应用程序配置=应用程序配置）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\35-32\lib\site packages\django\core\checks\url.py”，第16行，在check\u url\u config中
  返回检查\u分解器（分解器）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\core\checks\url.py”，第26行，在check\u解析器中
  返回检查方法（）
  检查文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\url\resolvers.py”，第254行
  对于self.url_模式中的模式：
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\utils\functional.py”，第35行，在__
  res=instance.\uuuu dict\uuuu[self.name]=self.func（实例）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\url\resolvers.py”，第405行，url\U模式
  patterns=getattr（self.urlconf_模块，“urlpatterns”，self.urlconf_模块）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\utils\functional.py”，第35行，在__
  res=instance.\uuuu dict\uuuu[self.name]=self.func（实例）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\url\resolvers.py”，第398行，在urlconf_模块中
  返回导入_模块（self.urlconf_名称）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\importlib\\ uuuuu init\uuuuu.py”，第126行，在导入模块中
  return _bootstrap._gcd_import（名称[级别：]，包，级别）
  文件“”，第986行，在_gcd_import中
  文件“”，第969行，在“查找”和“加载”中
  文件“”，第958行，在“查找”和“加载”中解锁
  文件“”，第673行，在“加载”中
  exec_模块中第665行的文件“”
  文件“”，第222行，在已删除帧的调用中
  文件“E:\IT\project\program\20-8-17\mysite\mysite\url.py”，第7行，在
  url（r'^$'，包括（'personal.url'），
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\conf\url\\ uuuuu init\uuuuu.py”，第50行，include
  urlconf_模块=导入_模块（urlconf_模块）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\importlib\\ uuuuu init\uuuuu.py”，第126行，在导入模块中
  return _bootstrap._gcd_import（名称[级别：]，包，级别）
  文件“”，第986行，在_gcd_import中
  文件“”，第969行，在“查找”和“加载”中
  文件“”，第958行，在“查找”和“加载”中解锁
  文件“”，第673行，在“加载”中
  exec_模块中第665行的文件“”
  文件“”，第222行，在已删除帧的调用中
  文件“E:\IT\project\program\20-8-17\mysite\personal\url.py”，第2行，在
  从…起导入视图
  文件“E:\IT\project\program\20-8-17\mysite\personal\views.py”，第3行，在
  从personal.forms导入*
  文件“E:\IT\project\program\20-8-17\mysite\personal\forms.py”，第50行，在
  类DoctorSignupForm（forms.ModelForm）：
  文件“E:\IT\project\program\20-8-17\mysite\personal\forms.py”，第90行，DoctorSignupForm
  contact=forms.RegexField（regex=r'^[789]\d{9}$'，错误消息=“输入有效电话号码”）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\forms\fields.py”，第517行，在uu init中__
  super（RegexField，self）。\uuuuu init\uuuuu（最大长度、最小长度、*args、**kwargs）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\forms\fields.py”，第228行，在uu init中__
  super（CharField，self）。\uuuuuu初始值（*args，**kwargs）
  文件“C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site packages\django\forms\fields.py”，第122行，在uu init中__
  messages.update（错误消息或{}）
  ValueError:字典更新序列元素#0的长度为1；2是必需的
  

---

错误消息应该是dict，而不是字符串

---

请参阅。

包括对您在控制台上看到的错误的完整回溯

class DoctorSignupForm(forms.ModelForm):
    dname = forms.CharField()
    email = forms.EmailField()
    contact = forms.RegexField(regex=r'^[789]\d{9}$',error_messages="Enter valid phone no.")
    class Meta:
        model = DoctorSignup
        fields = "__all__"

class DiseaseForm(ModelForm):

    dName = forms.CharField(help_text="Enter disease")

    symptoms = TagField(help_text="Enter symptoms separated by comma")
    medicine = TagField()

    class Meta:
        model = Disease
        fields = "__all__"

  File "manage.py", line 22, in <module>
    execute_from_command_line(sys.argv)
  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\management\__init__.py", line 363, in execute_from_command_line
    utility.execute()

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\management\__init__.py", line 355, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\management\base.py", line 283, in run_from_argv
    self.execute(*args, **cmd_options)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\management\base.py", line 327, in execute
    self.check()

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\management\base.py", line 359, in check
    include_deployment_checks=include_deployment_checks,

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\management\base.py", line 346, in _run_checks
    return checks.run_checks(**kwargs)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\checks\registry.py", line 81, in run_checks
    new_errors = check(app_configs=app_configs)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\checks\urls.py", line 16, in check_url_config
    return check_resolver(resolver)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\core\checks\urls.py", line 26, in check_resolver
    return check_method()

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\urls\resolvers.py", line 254, in check
    for pattern in self.url_patterns:

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\utils\functional.py", line 35, in __get__
    res = instance.__dict__[self.name] = self.func(instance)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\urls\resolvers.py", line 405, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\utils\functional.py", line 35, in __get__
    res = instance.__dict__[self.name] = self.func(instance)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\urls\resolvers.py", line 398, in urlconf_module
    return import_module(self.urlconf_name)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 665, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed

  File "E:\IT\project\program\20-8-17\mysite\mysite\urls.py", line 7, in <module>
    url(r'^$',include('personal.urls')),

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\conf\urls\__init__.py", line 50, in include
    urlconf_module = import_module(urlconf_module)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 665, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed

  File "E:\IT\project\program\20-8-17\mysite\personal\urls.py", line 2, in <module>
    from . import views

  File "E:\IT\project\program\20-8-17\mysite\personal\views.py", line 3, in <module>
    from personal.forms import *
  File "E:\IT\project\program\20-8-17\mysite\personal\forms.py", line 50, in <module>
    class DoctorSignupForm(forms.ModelForm):

  File "E:\IT\project\program\20-8-17\mysite\personal\forms.py", line 90, in DoctorSignupForm
    contact = forms.RegexField(regex=r'^[789]\d{9}$',error_messages="Enter valid phone no.")

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\forms\fields.py", line 517, in __init__
    super(RegexField, self).__init__(max_length, min_length, *args, **kwargs)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\forms\fields.py", line 228, in __init__
    super(CharField, self).__init__(*args, **kwargs)

  File "C:\Users\Charmi Shah\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\forms\fields.py", line 122, in __init__
    messages.update(error_messages or {})

ValueError: dictionary update sequence element #0 has length 1; 2 is required