title: Code in Django works locally, but not on Digital Ocean server
body: <p>I am new to Django.
  My program is working correctly on the localhost, but when I run it on my Digital Ocean server, I get the following error:</p>
  
  <pre><code>Reverse for 'tree' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
  </code></pre>
  
  <p>I have no idea what is going on. Let me post some of my code:</p>
  
  <p>The error is coming from the {% url 'tree' %} part of <strong>uploaded.html</strong>:</p>
  
  <pre><code>&lt;li&gt;&lt;a href="{% url 'tree' %}"&gt;Tree&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="{% url 'ge' %}"&gt;GE&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="{% url 'unit' %}"&gt;Unit Req&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="{% url 'save' %}"&gt;Save&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="{% url 'prnt' %}"&gt;Print&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="{% url 'email' %}"&gt;E-mail&lt;/a&gt;&lt;/li&gt;
  </code></pre>
  
  <p><strong>views.py</strong> under the uploader folder:</p>
  
  <pre><code>def tree(request):
     return render_to_response('tree.html')
  </code></pre>
  
  <p><strong>urls.py</strong> under the uploader folder:</p>
  
  <pre><code>urlpatterns = patterns('uploader.views',
     url(r'^$', form, name='form'),
     url(r'^tree', tree, name='tree'),
     url(r'^ge', ge, name='ge'),
     url(r'^unit', unit, name='unit'),
     url(r'^save', save, name='save'),
     url(r'^print', prnt, name='prnt'),
     url(r'^email', email, name='email'),
  )
  </code></pre>
  
  <p>If you want to see any other parts of my code, please do let me know.
  Thank you very much in advance!</p>
  
  <p><strong>EDIT:</strong> On my local machine, it's Python version 3.4 and Django version 1.7.5.
  On the server, it's Python version 3.4 and Django version 1.7.6.
  Here's the file structure as well:</p>
  
  <pre><code>eadvisor
      eadvisor
          urls.py
          settings.py
          views.py
      uploader 
          templates
              uploaded.html
              tree.html
          views.py
          urls.py
          forms.py
          models.py
  </code></pre>
  
  <p>Here's the <strong>urls.py</strong> under the eadvisor folder:</p>
  
  <pre><code>urlpatterns = patterns('',
      (r'^', include('uploader.urls'),
  ) + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
  </code></pre>
  
  <p><strong>SOLVED:</strong> The problem was with my server. It wasn't updating my changes.</p>