我正在尝试遵循Heroku的python快速入门指南，但
遇到了重复的问题。目前，“ git push heroku master”失败了，因为
它无法安装Bonjour。有谁知道这是否是真正必要的
要求，是否可以更改所需的版本，或者以
其他方式解决此问题？推送的全文如下。

(venv)172-26-12-64:helloflask Spike$ git push heroku master
Counting objects: 488, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (444/444), done.
Writing objects: 100% (488/488), 1.43 MiB, done.
Total 488 (delta 33), reused 0 (delta 0)

-----> Heroku receiving push
-----> Python app detected
-----> Preparing virtualenv version 1.7
   New python executable in ./bin/python
   Installing distribute.............................................................................................................................................................................................done.
   Installing pip...............done.
  -----> Activating virtualenv
  -----> Installing dependencies using pip version 1.0.2
   Downloading/unpacking Flask==0.8 (from -r requirements.txt (line 1))
   Creating supposed download cache at /app/tmp/repo.git/.cache/pip_downloads
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2FF%2FFlask%2FFlask-0.8.tar.gz
     Running setup.py egg_info for package Flask

       warning: no files found matching '*' under directory 'tests'
       warning: no previously-included files matching '*.pyc' found under directory 'docs'
       warning: no previously-included files matching '*.pyo' found under directory 'docs'
       warning: no previously-included files matching '*.pyc' found under directory 'tests'
       warning: no previously-included files matching '*.pyo' found under directory 'tests'
       warning: no previously-included files matching '*.pyc' found under directory 'examples'
       warning: no previously-included files matching '*.pyo' found under directory 'examples'
       no previously-included directories found matching 'docs/_build'
       no previously-included directories found matching 'docs/_themes/.git'
   Downloading/unpacking IMAPClient==0.8 (from -r requirements.txt (line 2))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Ffreshfoo.com%2Fprojects%2FIMAPClient%2FIMAPClient-0.8.zip
     Running setup.py egg_info for package IMAPClient

       no previously-included directories found matching 'doc/doctrees/'
   Downloading/unpacking Jinja2==2.6 (from -r requirements.txt (line 3))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2FJ%2FJinja2%2FJinja2-2.6.tar.gz
     Running setup.py egg_info for package Jinja2

       warning: no previously-included files matching '*' found under directory 'docs/_build'
       warning: no previously-included files matching '*.pyc' found under directory 'jinja2'
       warning: no previously-included files matching '*.pyc' found under directory 'docs'
       warning: no previously-included files matching '*.pyo' found under directory 'jinja2'
       warning: no previously-included files matching '*.pyo' found under directory 'docs'
   Downloading/unpacking PIL==1.1.7 (from -r requirements.txt (line 4))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Feffbot.org%2Fmedia%2Fdownloads%2FPIL-1.1.7.tar.gz
     Running setup.py egg_info for package PIL
       WARNING: '' not a valid package name; please use only.-separated package names in setup.py

   Downloading/unpacking PyRSS2Gen==1.0.0 (from -r requirements.txt (line 5))
     Downloading PyRSS2Gen-1.0.0.tar.gz
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2FP%2FPyRSS2Gen%2FPyRSS2Gen-1.0.0.tar.gz
     Running setup.py egg_info for package PyRSS2Gen

   Downloading/unpacking PyYAML==3.10 (from -r requirements.txt (line 6))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2FP%2FPyYAML%2FPyYAML-3.10.tar.gz
     Running setup.py egg_info for package PyYAML

   Downloading/unpacking Twisted==11.0.0 (from -r requirements.txt (line 7))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2FT%2FTwisted%2FTwisted-11.0.0.tar.bz2
     Running setup.py egg_info for package Twisted

   Downloading/unpacking WebOb==1.1.1 (from -r requirements.txt (line 8))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2FW%2FWebOb%2FWebOb-1.1.1.zip
     Running setup.py egg_info for package WebOb

       no previously-included directories found matching '*.pyc'
       no previously-included directories found matching '*.pyo'
   Downloading/unpacking Werkzeug==0.8.3 (from -r requirements.txt (line 9))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2FW%2FWerkzeug%2FWerkzeug-0.8.3.tar.gz
     Running setup.py egg_info for package Werkzeug

       warning: no files found matching '*' under directory 'werkzeug/debug/templates'
       warning: no files found matching '*' under directory 'tests'
       warning: no previously-included files matching '*.pyc' found under directory 'docs'
       warning: no previously-included files matching '*.pyo' found under directory 'docs'
       warning: no previously-included files matching '*.pyc' found under directory 'tests'
       warning: no previously-included files matching '*.pyo' found under directory 'tests'
       warning: no previously-included files matching '*.pyc' found under directory 'examples'
       warning: no previously-included files matching '*.pyo' found under directory 'examples'
       no previously-included directories found matching 'docs/_build'
   Downloading/unpacking altgraph==0.7.2 (from -r requirements.txt (line 10))
     Downloading altgraph-0.7.2.tar.gz
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2Fa%2Faltgraph%2Faltgraph-0.7.2.tar.gz
     Running setup.py egg_info for package altgraph

       warning: no files found matching '*.txt'
       warning: no previously-included files matching '.DS_Store' found anywhere in distribution
       warning: no previously-included files matching '*.pyc' found anywhere in distribution
       warning: no previously-included files matching '*.so' found anywhere in distribution
   Downloading/unpacking apipkg==1.0 (from -r requirements.txt (line 11))
     Downloading apipkg-1.0.tar.gz
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2Fa%2Fapipkg%2Fapipkg-1.0.tar.gz
     Running setup.py egg_info for package apipkg

       no previously-included directories found matching '.svn'
       no previously-included directories found matching '.hg'
   Downloading/unpacking bdist-mpkg==0.4.4 (from -r requirements.txt (line 12))
     Downloading bdist_mpkg-0.4.4.tar.gz
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fa.pypi.python.org%2Fpackages%2Fsource%2Fb%2Fbdist_mpkg%2Fbdist_mpkg-0.4.4.tar.gz
     Running setup.py egg_info for package bdist-mpkg

   Downloading/unpacking beautifulsoup4==4.0.1 (from -r requirements.txt (line 13))
     Storing download in cache at /app/tmp/repo.git/.cache/pip_downloads/http%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2Fb%2Fbeautifulsoup4%2Fbeautifulsoup4-4.0.1.tar.gz
     Running setup.py egg_info for package beautifulsoup4

   Downloading/unpacking bonjour-py==0.3 (from -r requirements.txt (line 14))
     Could not find any downloads that satisfy the requirement bonjour-py==0.3 (from -r requirements.txt (line 14))
   No distributions at all found for bonjour-py==0.3 (from -r requirements.txt (line 14))
   Storing complete log in /app/.pip/pip.log
!     Heroku push rejected, failed to compile Python app

  To git@heroku.com:radiant-night-5176.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'git@heroku.com:radiant-night-5176.git'