我正在閱讀Django教程：https : //docs.djangoproject.com/en/1.5/intro/tutorial01/我有一個錯誤：TypeError：__init__()出現(xiàn)了意外的關(guān)鍵字參數(shù)'Default'當(dāng)我打電話時會發(fā)生這種情況：$python manage.py sql polls   或者$python manage.py syncdb我被困住了，無法弄清楚我在做什么錯。我剛剛開始了本教程的“激活模型”部分，并輸入了已安裝的應(yīng)用程序引用：[settings.py]'Engine': 'django.db.backends.sqlite3''NAME': '/Users/msmith/Documents/djangoPractice/database.db'$ python manage.py syncdb$ python manage.py startapp polls[polls.models.py]from django.db import modelsclass Poll(models.Model):    question = models.CharField(max_length=200)    pub_date = models.DateTimeField('date published')class Choice(models.Model):    poll = models.ForeignKey(Poll)    choice_text = models.CharField(max_length=200)    votes = models.IntegerField(Default=0)[settings.py]-在列表底部添加了“民意調(diào)查”INSTALLED_APPS = (    'django.contrib.auth',    'django.contrib.contenttypes',    'django.contrib.sessions',    'django.contrib.sites',    'django.contrib.messages',    'django.contrib.staticfiles',    # Uncomment the next line to enable the admin:    # 'django.contrib.admin',    # Uncomment the next line to enable admin documentation:    # 'django.contrib.admindocs',    'polls',)$ python manage.py sql民意調(diào)查->發(fā)生錯誤