Bug 513691 - numpy gives AttributeError on import, requires lapack and atlas as dependencies
numpy gives AttributeError on import, requires lapack and atlas as dependencies
Product: Fedora
Classification: Fedora
Component: numpy (Show other bugs)
All Linux
low Severity medium
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Assigned To: Gwyn Ciesla
Fedora Extras Quality Assurance
Depends On:
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Reported: 2009-07-24 15:35 EDT by Christian Schramm
Modified: 2010-06-28 09:48 EDT (History)
4 users (show)

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Last Closed: 2010-06-28 09:48:40 EDT
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Description Christian Schramm 2009-07-24 15:35:28 EDT
Description of problem:
On a freshly installed 32bit F11 installation, an "import numpy" in python gives an "AttributeError: 'module' object has no attribute 'core'". Bug https://bugzilla.redhat.com/show_bug.cgi?id=496218 suggests to install numpy-f2py, but that did not help.

I had to install the "lapack" and "atlas" packages to get it to work.

Version-Release number of selected component (if applicable):
numpy 1.3.0-5

How reproducible:
every time

Steps to Reproduce:
1. clean install of Fedora 11 (no lapack and atlas packages installed)
2. install numpy ("yum install numpy")
3. do "import numpy" in python
Actual results:
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.6/site-packages/numpy/__init__.py", line 130, in <module>
    import add_newdocs
  File "/usr/lib/python2.6/site-packages/numpy/add_newdocs.py", line 9, in <module>
    from lib import add_newdoc
  File "/usr/lib/python2.6/site-packages/numpy/lib/__init__.py", line 13, in <module>
    from polynomial import *
  File "/usr/lib/python2.6/site-packages/numpy/lib/polynomial.py", line 11, in <module>
    import numpy.core.numeric as NX
AttributeError: 'module' object has no attribute 'core'

Expected results:
no output (= successfull import)

Additional info:
As I said, the error disappears after installing atlas and lapack. I suggest adding these packages to the dependencies of numpy.
Comment 1 Jef Spaleta 2009-07-24 16:24:38 EDT
Hmm...this is a bit odd...as numpy already has a requirement in place that pulls in atlas.

Do me a favor can you give us the output of: 
rpm -q --requires numpy |grep libatlas

you should see libatlas.so.3 the only packages which provide that are atlas packages.  

rpm -q --whatprovides libatlas.so.3

The numpy package was already requiring that something provide libatlas.so.3.  If that requirement wasn't satified at install time, that points to a bug in the install process.

Comment 2 Christian Schramm 2009-07-25 07:38:01 EDT
Now that I have those packages installed:

$ rpm -q --requires numpy |grep libatlas

$ rpm -q --whatprovides libatlas.so.3

I agree that it is weird that it wasn't installed. I'm pretty sure I had no problems or unfinished transactions installing anything so far. It seems to work now, however (if I do "yum remove atlas-sse atlas-sse3" numpy is removed as well. Re-installing numpy or pygame pulls "atlas-sse" as a requirement).

Now that I come to think of it ... I don't actually recall installing numpy with yum, I probabably installed it with anacaonda, because  I can't seem to reproduce the problem with yum. I did install pygame with yum, and that gave no problems, though I do not remember if it pulled in numpy or if it was installed already. 

Is there an easy way to test an anaconda installation, or is that substantially the same as installing something with yum?
Comment 3 Bug Zapper 2010-04-28 05:18:22 EDT
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Comment 4 Bug Zapper 2010-06-28 09:48:40 EDT
Fedora 11 changed to end-of-life (EOL) status on 2010-06-25. Fedora 11 is 
no longer maintained, which means that it will not receive any further 
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