Python 2.7 在heroku上安装应用程序时出现依赖项错误

我正在尝试在heroku上安装应用程序。在做了git push heroku master之后，我得到了以下错误

-----> Installing dependencies using Pip (1.5.4)
       Exception:
       Traceback (most recent call last):
         File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg    
        /pip/basecommand.py", line 122, in main
           status = self.run(options, args)
         File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg     /pip/commands/install.py", line 262, in run
            for req in parse_requirements(filename, finder=finder, options=options,      session=session):
     File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg/pip/req.py", line 1631, in parse_requirements
       req = InstallRequirement.from_line(line, comes_from, prereleases=getattr(options, "pre", None))
     File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg/pip/req.py", line 172, in from_line
       return cls(req, comes_from, url=url, prereleases=prereleases)
     File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg/pip/req.py", line 70, in __init__
       req = pkg_resources.Requirement.parse(req)
     File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg/pip/_vendor/pkg_resources.py", line 2606, in parse
       reqs = list(parse_requirements(s))
     File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg/pip/_vendor/pkg_resources.py", line 2544, in parse_requirements
       line, p, specs = scan_list(VERSION,LINE_END,line,p,(1,2),"version spec")
     File "/app/.heroku/python/lib/python2.7/site-packages/pip-1.5.4-py2.7.egg/pip/_vendor/pkg_resources.py", line 2512, in scan_list
       raise ValueError("Expected "+item_name+" in",line,"at",line[p:])
   ValueError: ('Expected version spec in', 'Usage:', 'at', ':')

   Storing debug log for failure in /app/.pip/pip.log

我不知道少了什么。我正在添加我的requirements.txt，如下所示

Babel==1.3
Flask==0.9
Flask-Babel==0.8
Flask-Login==0.2.10
Flask-Mail==0.7.6
Flask-OpenID==1.2.1
Flask-SQLAlchemy==0.16
Flask-WTF==0.8.4
Flask-WhooshAlchemy==0.55a
Jinja2==2.7.2
MarkupSafe==0.19
SQLAlchemy==0.7.9
Tempita==0.5.2
WTForms==1.0.5
Werkzeug==0.9.4
Whoosh==2.6.0
argparse==1.2.1
blinker==1.3
decorator==3.4.0
flup==1.0.2
gunicorn==18.0
python-openid==2.2.5
pytz==2013b
speaklater==1.3
sqlalchemy-migrate==0.7.2
wsgiref==0.1.2

---

不确定其版本是否存在问题。

您的requirements.txt文件是什么样子的？这表明pytz编号不能很好地与pip配合使用，但使用pytz的更新版本修复了编号问题。它给出了相同的问题。它成功了。我在requirements.txt中更改了它