You need to run python manage.py migrate. The database tables do not exists.
> On 4. Sep 2018, at 21:10, xcode101 <nick.mai...@gmail.com> wrote: > > Any gist file we could check it out? Sorry to hear that you've been at this > for days. > The piece of code accessing polls_article. > > On Tuesday, 4 September 2018 20:15:14 UTC+3, Sandy Leon wrote: > Hello everyone, I have been using Heroku to try and deploy my Django site. > When running the command 'heroku open' Django gives me this error > > > Environment: > > > Request Method: GET > Request URL: https://secure-waters-81472.herokuapp.com/ > <https://secure-waters-81472.herokuapp.com/> > > Django Version: 2.0 > Python Version: 3.6.6 > Installed Applications: > ['polls.apps.PollsConfig', > 'django.contrib.admin', > 'django.contrib.auth', > 'django.contrib.contenttypes', > 'django.contrib.sessions', > 'django.contrib.messages', > 'django.contrib.staticfiles'] > Installed Middleware: > ('whitenoise.middleware.WhiteNoiseMiddleware', > 'django.middleware.security.SecurityMiddleware', > 'django.contrib.sessions.middleware.SessionMiddleware', > 'django.middleware.common.CommonMiddleware', > 'django.middleware.csrf.CsrfViewMiddleware', > 'django.contrib.auth.middleware.AuthenticationMiddleware', > 'django.contrib.messages.middleware.MessageMiddleware', > 'django.middleware.clickjacking.XFrameOptionsMiddleware') > > > Template error: > In template /app/polls/templates/polls/home.html, error at line 6 > relation "polls_article" does not exist > LINE 1: ..._article"."body", "polls_article"."pub_date" FROM "polls_art... > ^ > > 1 : {% load static %} > 2 : <link rel="stylesheet" type="text/css" href="{% static > 'polls/home_style.css' %}"/> > 3 : > 4 : <font color="white"><center><h1>Home</h1> > 5 : > 6 : {% for article in object_list %} > 7 : <font color="white"><h2>{{ article.headline }}</h2> > 8 : <!--this attribute may > need tweaking in the future--> > 9 : <font color="white"><p style="margin-left: 320px; margin-right: > 300px" >{{article.body}}</p> > 10 : {% empty %} > 11 : <li>No articles yet.</li> > 12 : {% endfor %} > 13 : > 14 : </center> > 15 : > 16 : > > > Traceback: > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/backends/utils.py" > in _execute > 85. return self.cursor.execute(sql, params) > > The above exception (relation "polls_article" does not exist > LINE 1: ..._article"."body", "polls_article"."pub_date" FROM "polls_art... > ^ > ) was the direct cause of the following exception: > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/core/handlers/exception.py" > in inner > 35. response = get_response(request) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/core/handlers/base.py" > in _get_response > 158. response = self.process_exception_by_middleware(e, > request) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/core/handlers/base.py" > in _get_response > 156. response = response.render() > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/response.py" > in render > 106. self.content = self.rendered_content > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/response.py" > in rendered_content > 83. content = template.render(context, self._request) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/backends/django.py" > in render > 61. return self.template.render(context) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/base.py" in > render > 175. return self._render(context) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/base.py" in > _render > 167. return self.nodelist.render(context) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/base.py" in > render > 943. bit = node.render_annotated(context) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/base.py" in > render_annotated > 910. return self.render(context) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/template/defaulttags.py" > in render > 168. len_values = len(values) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/models/query.py" > in __len__ > 254. self._fetch_all() > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/models/query.py" > in _fetch_all > 1179. self._result_cache = list(self._iterable_class(self)) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/models/query.py" > in __iter__ > 54. results = > compiler.execute_sql(chunked_fetch=self.chunked_fetch, > chunk_size=self.chunk_size) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/models/sql/compiler.py" > in execute_sql > 1063. cursor.execute(sql, params) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/backends/utils.py" > in execute > 100. return super().execute(sql, params) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/backends/utils.py" > in execute > 68. return self._execute_with_wrappers(sql, params, many=False, > executor=self._execute) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/backends/utils.py" > in _execute_with_wrappers > 77. return executor(sql, params, many, context) > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/backends/utils.py" > in _execute > 85. return self.cursor.execute(sql, params) > > File "/app/.heroku/python/lib/python3.6/site-packages/django/db/utils.py" in > __exit__ > 89. raise dj_exc_value.with_traceback(traceback) from > exc_value > > File > "/app/.heroku/python/lib/python3.6/site-packages/django/db/backends/utils.py" > in _execute > 85. return self.cursor.execute(sql, params) > > Exception Type: ProgrammingError at / > Exception Value: relation "polls_article" does not exist > LINE 1: ..._article"."body", "polls_article"."pub_date" FROM "polls_art... > ^ > > > > I have been at this for days....Any help would be hugely appreciated. 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