nosetests errors
I will never try PANDAS again, but maybe the solutions for these errors will help someone else who wants to give it a try:

/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests$ sudo nosetests *
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## FAIL: test_cast_internals (pandas.tests.test_frame.TestDataFrame)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_frame.py", line 9092, in test_cast_internals
    assert_frame_equal(casted, expected)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/util/testing.py", line 250, in assert_frame_equal
    assert(left.columns.names == right.columns.names)
AssertionError
# 
## FAIL: test_constructor_from_items (pandas.tests.test_frame.TestDataFrame)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_frame.py", line 2765, in test_constructor_from_items
    assert_frame_equal(recons, self.frame)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/util/testing.py", line 250, in assert_frame_equal
    assert(left.columns.names == right.columns.names)
AssertionError
# 
## FAIL: test_constructor_more (pandas.tests.test_frame.TestDataFrame)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_frame.py", line 2565, in test_constructor_more
    tm.assert_frame_equal(dm, self.frame)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/util/testing.py", line 250, in assert_frame_equal
    assert(left.columns.names == right.columns.names)
AssertionError
# 
## FAIL: test_constructor_orient (pandas.tests.test_frame.TestDataFrame)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_frame.py", line 2713, in test_constructor_orient
    assert_frame_equal(recons, expected)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/util/testing.py", line 249, in assert_frame_equal
    assert(left.index.names == right.index.names)
AssertionError
# 
## FAIL: test_constructor_subclass_dict (pandas.tests.test_frame.TestDataFrame)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_frame.py", line 2267, in test_constructor_subclass_dict
    assert_frame_equal(self.frame.sort_index(), frame)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/util/testing.py", line 249, in assert_frame_equal
    assert(left.index.names == right.index.names)
AssertionError
# 
## FAIL: test_getitem_fancy_2d (pandas.tests.test_frame.TestDataFrame)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_frame.py", line 620, in test_getitem_fancy_2d
    assert_frame_equal(ix[:, :2], f.reindex(columns=['A', 'B']))
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/util/testing.py", line 250, in assert_frame_equal
    assert(left.columns.names == right.columns.names)
AssertionError
# 
## FAIL: test_getitem_fancy_boolean (pandas.tests.test_frame.TestDataFrame)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_frame.py", line 1106, in test_getitem_fancy_boolean
    assert_frame_equal(result, expected)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/util/testing.py", line 250, in assert_frame_equal
    assert(left.columns.names == right.columns.names)
AssertionError
# 
## FAIL: test_time_series_plot_color_with_empty_kwargs (pandas.tests.test_graphics.TestDataFrameGroupByPlots)

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests/test_graphics.py", line 752, in test_time_series_plot_color_with_empty_kwargs
    self.assert_(line_colors == ['b', 'g', 'r'])
AssertionError: False is not true

---

Ran 3382 tests in 341.290s

FAILED (SKIP=46, failures=8)
/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.11.0-py2.7-macosx-10.6-intel.egg/pandas/tests$ 
