gunicorn not found

[ustroetz]

I get with this buildpack the error:

2015-03-02T14:01:17.005518+00:00 heroku[web.1]: Starting process with command `gunicorn hello:app --log-file=-`
2015-03-02T14:01:18.956168+00:00 app[web.1]: bash: gunicorn: command not found
2015-03-02T14:01:19.776916+00:00 heroku[web.1]: Process exited with status 127
2015-03-02T14:01:19.788034+00:00 heroku[web.1]: State changed from starting to crashed

This is my requirements.txt:

Flask==0.10.1
gunicorn==19.2.1
itsdangerous==0.24
Jinja2==2.7.3
MarkupSafe==0.23
Shapely==1.5.6
Werkzeug==0.10.1

[mosspaper]

hi ustroetz, were you able to figure this issue out? I ran into the same problem

[ustroetz]

I never really found out the problem. I just started out with a clean environment and then it worked.