exposing all the needed things

qiita_db/metadata_template/__init__.py

@@ -9,9 +9,12 @@
 from .sample_template import SampleTemplate
 from .prep_template import PrepTemplate
 from .util import load_template_to_dataframe
-from .column_restriction import TARGET_GENE_DATA_TYPES
+from .column_restriction import (TARGET_GENE_DATA_TYPES, PREP_TEMPLATE_COLUMNS,
+                                 SAMPLE_TEMPLATE_COLUMNS,
+                                 PREP_TEMPLATE_COLUMNS_TARGET_GENE)
 
 __version__ = "0.0.1-dev"
 
 __all__ = ['SampleTemplate', 'PrepTemplate', 'load_template_to_dataframe'
-           'TARGET_GENE_DATA_TYPES']
+           'TARGET_GENE_DATA_TYPES', 'SAMPLE_TEMPLATE_COLUMNS',
+           'PREP_TEMPLATE_COLUMNS_TARGET_GENE', 'PREP_TEMPLATE_COLUMNS']

qiita_db/metadata_template/base_metadata_template.py

@@ -1007,8 +1007,6 @@ def check_restrictions(self, restrictions):
 
         Returns
         -------
-        bool
-            A boolean indicating whether the restrictions have been fulfilled
         list of str
             The list of missing columns
         """
@@ -1018,4 +1016,4 @@ def _col_iter():
                     yield col
         categories = self.categories()
         missing = [col for col in _col_iter() if col not in categories]
-        return len(missing) == 0, missing
+        return missing

qiita_db/metadata_template/test/test_sample_template.py

@@ -700,9 +700,8 @@ def test_categories(self):
         self.assertEqual(obs, exp)
 
     def test_check_restrictions(self):
-        obs_bool, obs_list = self.tester.check_restrictions(
+        obs_list = self.tester.check_restrictions(
             [SAMPLE_TEMPLATE_COLUMNS['EBI']])
-        self.assertEqual(obs_bool, True)
         self.assertEqual(obs_list, [])