The PDS Label parser uses OrderedDict which is not available in Python 2.6. I have removed 2.6 from the travis.yml but this could be easily fixed.
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ERROR: Failure: ImportError (cannot import name OrderedDict)
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Traceback (most recent call last):
File "/home/travis/virtualenv/python2.6/lib/python2.6/site-packages/nose/loader.py", line 413, in loadTestsFromName
addr.filename, addr.module)
File "/home/travis/virtualenv/python2.6/lib/python2.6/site-packages/nose/importer.py", line 47, in importFromPath
return self.importFromDir(dir_path, fqname)
File "/home/travis/virtualenv/python2.6/lib/python2.6/site-packages/nose/importer.py", line 94, in importFromDir
mod = load_module(part_fqname, fh, filename, desc)
File "/home/travis/build/godber/gdal_pds/tests/label_test.py", line 2, in <module>
from gdal_pds import label
File "/home/travis/build/godber/gdal_pds/gdal_pds/__init__.py", line 8, in <module>
from gdal_pds import label
File "/home/travis/build/godber/gdal_pds/gdal_pds/label.py", line 7, in <module>
from collections import OrderedDict
ImportError: cannot import name OrderedDict
The PDS Label parser uses OrderedDict which is not available in Python 2.6. I have removed 2.6 from the travis.yml but this could be easily fixed.