heroku推送被拒绝，无法编译Python应用

我使用“ Flask” python框架创建了一个python应用程序。我使用了以下文档https://devcenter.heroku.com/articles/python

当我运行这个：

git push heroku主 推送到heroku后出现以下错误。

Counting objects: 8, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (4/4), done.
Writing objects: 100% (8/8), 1.62 KiB, done.
Total 8 (delta 0), reused 0 (delta 0)

-----> Python app detected
-----> No runtime.txt provided; assuming python-2.7.4.
-----> Preparing Python runtime (python-2.7.4)
-----> Installing Distribute (0.6.36)
-----> Installing Pip (1.3.1)
-----> Installing dependencies using Pip (1.3.1)
       Downloading/unpacking BeautifulSoup==3.2.1 (from -r requirements.txt (line 1))
         Downloading BeautifulSoup-3.2.1.tar.gz
         Running setup.py egg_info for package BeautifulSoup

       Downloading/unpacking CDApplet==1.0 (from -r requirements.txt (line 2))
         Could not find any downloads that satisfy the requirement CDApplet==1.0 (from -r requirements.txt (line 2))
       No distributions at all found for CDApplet==1.0 (from -r requirements.txt (line 2))
       Storing complete log in /app/.pip/pip.log

 !     Push rejected, failed to compile Python app

To git@heroku.com:frozen-brushlands-5131.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'git@heroku.com:frozen-brushlands-5131.git'

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