Accept the header row as it is when reading ODS format

Author: istride

src/tablib/formats/_ods.py

@@ -127,11 +127,7 @@ def repeat(cell):
             if not row_vals:
                 continue
             if i == skip_lines and headers:
-                try:
-                    end = row_vals.index("")
-                except ValueError:
-                    end = len(row_vals)
-                dset.headers = row_vals[:end]
+                dset.headers = row_vals
             else:
                 if i > skip_lines:
                     if len(row_vals) < dset.width:

tests/test_tablib.py

@@ -1260,7 +1260,7 @@ def test_ods_import_set_ragged(self):
         ods_source = Path(__file__).parent / 'files' / 'ragged.ods'
         with ods_source.open('rb') as fh:
             dataset = tablib.Dataset().load(fh, 'ods')
-        self.assertEqual(dataset[0], (1, '', True, ''))
+        self.assertEqual(dataset[0], (1, '', True) + ('',) * 16381)
 
     def test_ods_import_columns_repeated(self):
         ods = Path(__file__).parent / "files" / "columns_repeated.ods"