[Python] Unit tests in arrow/python fail to link on some OS X platforms

[asfimport]

We're using -undefined dynamic_lookup to avoid linking to libpython at link time in the Cython extensions, but this causes problems when building the unit tests in some Python environments.

Reporter: Wes McKinney / @wesm
Assignee: Wes McKinney / @wesm

Related issues:

• Arrow 0.3 release (blocks)

_{Note: This issue was originally created as ARROW-753. Please see the migration documentation for further details.}

[asfimport]

Wes McKinney / @wesm:
PR: #478

[asfimport]

Wes McKinney / @wesm:
Issue resolved by pull request 478
#478