old_contents: from django.test import TestCase
  from ..odm2admin.models import Variables, CvVariabletype, CvVariablename
  
  
  class VariablesTest(TestCase):
      def create_variable(self, variablecode='test',variabledefinition='test', nodatavalue=-6999):
          var_type = CvVariabletype(term="test", name="test", definition="this is just a test")
          var_name = CvVariablename(term="test", name="test", definition="this is just a test")
          test_var = Variables(variable_type=var_type,variablecode=variablecode,variable_name=var_name,
                               variabledefinition=variabledefinition, nodatavalue=nodatavalue)
          return test_var
  
      def test_variables_creation(self):
          var = self.create_variable()
          var_unicode_rep = "%s" % var.variablecode
          if var.variabledefinition:
              var_unicode_rep += " - %s" % var.variabledefinition[:20]
          self.assertTrue(isinstance(var, Variables))
          self.assertEqual(var.__str__(), var_unicode_rep)
new_contents: import sys
  from pathlib import Path # if you haven't already done so
  file = Path(__file__).resolve()
  parent, root = file.parent, file.parents[1]
  sys.path.append(str(root))
  
  # Additionally remove the current file's directory from sys.path
  try:
      sys.path.remove(str(parent))
  except ValueError: # Already removed
      pass
  
  from django.test import TestCase
  from odm2admin.models import Variables, CvVariabletype, CvVariablename
  
  # if __name__ == '__main__':
  #     from odm2admin.models import Variables, CvVariabletype, CvVariablename
  # else:
  #     from ..models import Variables, CvVariabletype, CvVariablename
  
  class VariablesTest(TestCase):
      def create_variable(self, variablecode='test',variabledefinition='test', nodatavalue=-6999):
          var_type = CvVariabletype(term="test", name="test", definition="this is just a test")
          var_name = CvVariablename(term="test", name="test", definition="this is just a test")
          test_var = Variables(variable_type=var_type,variablecode=variablecode,variable_name=var_name,
                               variabledefinition=variabledefinition, nodatavalue=nodatavalue)
          return test_var
  
      def test_variables_creation(self):
          var = self.create_variable()
          var_unicode_rep = "%s" % var.variablecode
          if var.variabledefinition:
              var_unicode_rep += " - %s" % var.variabledefinition[:20]
          self.assertTrue(isinstance(var, Variables))
          self.assertEqual(var.__str__(), var_unicode_rep)
subject: add absolute path to odm2admin package in tests.