another try at committing

test_tablib.py

@@ -5,13 +5,15 @@
 
 import unittest
 import sys
-
+import openpyxl
+import os
 import tablib
 from tablib.compat import markup, unicode
 
 
 
 
+
 class TablibTestCase(unittest.TestCase):
     """Tablib test cases."""
 
@@ -694,6 +696,5 @@ Old       |Man       |100500
         except tablib.InvalidDatasetType:
             self.fail("Subclass of tablib.Dataset should be accepted by Databook.add_sheet")
 
-
 if __name__ == '__main__':
     unittest.main()