title: How heroku run python manage.py migrate?
body: <p>I deployed a simple Django app in Heroku</p>
  
  <p>Steps:</p>
  
  <pre><code>- git push heroku master
  
  - heroku run python manage.py makemigrations ( or + app_name)
  </code></pre>
  
  <p>it seem to affect:</p>
  
  <pre><code>  0002_main.py:
  - Create model Comment
  - Remove field status from match
  - Remove field quantity from slot
  - Add field avatar to account
  - Add field slots to match
  - Alter field verification_code on account
  - Alter field verification_code on slot
  - Add field match_object to comment
  - Add field user to comment
  - Alter index_together for comment (1 constraint(s))
  </code></pre>
  
  <p>then I run</p>
  
  <pre><code>- heroku run python manage.py migrate
  </code></pre>
  
  <p>but i received:</p>
  
  <pre><code>  Running migrations:
    No migrations to apply.
    Your models have changes that are not yet reflected in a migration, and so won't be applied.
    Run 'manage.py makemigrations' to make new migrations, and then re-run 'manage.py migrate' to apply them.
  </code></pre>