Source: pandas
Version: 0.12.0-2
Severity: serious
Justification: fails to build from source

Dear Maintainer,

Two tests in pandas testsuite fail with new matplotlib versions:

ERROR: test_gap_upsample (pandas.tseries.tests.test_plotting.TestTSPlot)
ERROR: test_gaps (pandas.tseries.tests.test_plotting.TestTSPlot)

The traceback is the same in both cases:

  ...
  File "/usr/lib/pymodules/python2.7/matplotlib/axis.py", line 1336, in 
update_units
    converter = munits.registry.get_converter(data)
  File "/usr/lib/pymodules/python2.7/matplotlib/units.py", line 137, in 
get_converter
    xravel = x.ravel()
  File "/usr/lib/pymodules/python2.7/numpy/ma/core.py", line 4025, in ravel
    r._mask = ndarray.ravel(self._mask).reshape(r.shape)
  File 
"/tmp/pandas-0.12.0/debian/tmp/usr/lib/python2.7/dist-packages/pandas/core/series.py",
 line 981, in reshape
    return ndarray.reshape(self, newshape, order)
TypeError: an integer is required

Upstream commit at [1] may fix that (untested).

[1]: https://github.com/pydata/pandas/commit/89a65d206a6d8c

--
Dmitry Shachnev

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