expected 2 blank lines, found 1

expected 2 blank lines after class or function definition, found 1

module level import not at top of file

module level import not at top of file

module level import not at top of file

module level import not at top of file

module level import not at top of file

module level import not at top of file

module level import not at top of file

module level import not at top of file

undefined name 'errors'

undefined name 'basestring'

undefined name 'unicode'

undefined name 'PcGts'

undefined name 'PcGts'

undefined name 'PcGts'

undefined name 'PcGts'

undefined name 'RegionRefIndexedType'

undefined name 'OrderedGroupIndexedType'