Fix a few more dtypes in new interpolation code.
Remove new np.testing.assert_allclose calls.
matplotlib.patheffects was added in 1.0.0.
Don't test arguments to integrate() with old SciPy.
Make SciPy version test actually work.
Merge branch 'master' into argparse
Fix assertAlmostEqual calls in Py 2.6.

It doesn't accept tuples for comparison.