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我是python和pyramid的新手。 今天我已經安裝了pyramid，我已經在我的mac機器上預安裝了python 2.7.1。我已經安裝了金字塔instructions mentioned in the official website。我已經使用網站上提到的nositepackages virtualenv，我在我的/users/sreekanth目錄中安裝金字塔運行示例金字塔程序時出現問題。給ImportError：沒有名爲execptions錯誤的模塊
安裝後，我試了我的第一個示例程序，如提到 in the docs。
當我嘗試運行程序時，出現如下錯誤。
sreekanths-MacBook-Pro:tasks Sreekanth$ ../bin/python2.7 tasks.py
Traceback (most recent call last):
File "tasks.py", line 87, in <module>
config.scan()
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/config/__init__.py", line 893, in scan
scanner.scan(package, categories=categories, onerror=onerror)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/venusian-1.0a2-py2.7.egg/venusian/__init__.py", line 95, in scan
invoke(name, ob)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/venusian-1.0a2-py2.7.egg/venusian/__init__.py", line 92, in invoke
callback(self, name, ob)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/view.py", line 210, in callback
config.add_view(view=ob, **settings)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/config/views.py", line 575, in wrapper
return wrapped(*arg, **defaults)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/config/util.py", line 59, in wrapper
result = wrapped(self, *arg, **kw)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/config/views.py", line 926, in add_view
context = self.maybe_dotted(context)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/config/__init__.py", line 808, in maybe_dotted
return self.name_resolver.maybe_resolve(dotted)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/path.py", line 318, in maybe_resolve
return self._resolve(dotted, package)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/path.py", line 325, in _resolve
return self._zope_dottedname_style(dotted, package)
File "/Users/Sreekanth/env/lib/python2.7/site-packages/pyramid-1.3a3-py2.7.egg/pyramid/path.py", line 374, in _zope_dottedname_style
__import__(used)
ImportError: No module named execptions
而且我也無法從python shell導入金字塔模塊。以下是我收到的錯誤消息。
sreekanths-MacBook-Pro:bin Sreekanth$ pwd
/Users/Sreekanth/env/bin
sreekanths-MacBook-Pro:bin Sreekanth$ python
Python 2.7.1 (r271:86832, Jun 16 2011, 16:59:05)
[GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyramid
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named pyramid
有人可以好心解釋我缺少什麼以及如何使這項工作。