tests/test_relation.py: adjust pd.DataFrame comments to doctsrings

Author: Chris Turner

tests/test_relation.py

@@ -104,7 +104,7 @@ def test_insert_select(self):
         assert_equal(len(self.subject), 2*original_length)
 
     def test_insert_pandas_roundtrip(self):
-        # ensure fetched frames can be inserted
+        ''' ensure fetched frames can be inserted '''
         schema.TTest2.delete()
         n = len(schema.TTest())
         assert_true(n > 0)
@@ -115,8 +115,10 @@ def test_insert_pandas_roundtrip(self):
         assert_equal(len(schema.TTest2()), n)
 
     def test_insert_pandas_userframe(self):
-        # ensure simple user-created frames (1 field, non-custom index)
-        # can be inserted without extra index adjustment
+        '''
+        ensure simple user-created frames (1 field, non-custom index)
+        can be inserted without extra index adjustment
+        '''
         schema.TTest2.delete()
         n = len(schema.TTest())
         assert_true(n > 0)