Fix unicode decode error
Fix unicode decode error

   - __traceback_info__: column_definition.getVocabulary(context)
  Module PythonExpr, line 1, in <expression>
  Module Products.DataGridField.SelectColumn, line 47, in getVocabulary
  Module bika.lims.content.arimport, line 931, in Vocabulary_SamplePoint
  Module bika.lims.vocabularies, line 76, in __call__
  Module bika.lims.utils, line 48, in t
  Module zope.i18n, line 107, in translate
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 5: ordinal not in range(128)

veroc/Bika-LIMS,labsanmartin/Bika-LIMS,veroc/Bika-LIMS,labsanmartin/Bika-LIMS,veroc/Bika-LIMS,rockfruit/bika.lims,rockfruit/bika.lims,labsanmartin/Bika-LIMS