title: Django 1.8 python: can't open file 'manage.py': [Errno 2] No such file or directory
body: <p>I am inside my project's outer directory. When I try <code>python manage.py runserver</code>,it works but if I try to deploy my code and execute <code>heroku run python manage.py migrate</code>, it shows the following error - </p>
  
  <pre><code>(cenv) C:\Users\Machine\cenv\myproject&gt;heroku run python manage.py migrate
   Running `python manage.py migrate` attached to terminal... up, run.6848
   python: can't open file 'manage.py': [Errno 2] No such file or directory
  </code></pre>
  
  <p>but when I input <code>DIR</code> it shows that <code>manage.py</code> is in the same directory.</p>
  
  <pre><code>   &lt;DIR&gt;          .
     &lt;DIR&gt;          ..
             59 .gitignore
     &lt;DIR&gt;          2015
     &lt;DIR&gt;          feature
            254 manage.py
     &lt;DIR&gt;          media
     &lt;DIR&gt;          myproject
             43 Procfile
            355 requirements.txt
             12 runtime.txt
            723 bytes
            12,963,143,680 bytes free
  
  
      (cenv) C:\Users\Machine\cenv\myproject&gt;heroku run ls -al
      Running `ls` attached to terminal... failed
      !    App not found
  
      (cenv) C:\Users\Machine\cenv\myproject&gt;heroku run pwd
      Running `pwd` attached to terminal... up, run.3539
      /app
  </code></pre>