Tags: use version sorting

validata_ui/views.py

@@ -21,7 +21,7 @@ from commonmark import commonmark
 from flask import abort, make_response, redirect, render_template, request, url_for
 from validata_core import messages
 
-from opendataschema import GitSchemaReference
+from opendataschema import GitSchemaReference, by_semver
 
 from . import app, config, schema_catalog_map, tableschema_from_url
 from .ui_util import flash_error, flash_warning
@@ -81,7 +81,7 @@ class SchemaInstance:
                         'schema_name': self.schema_and_section_name,
                         'schema_ref': schema_ref.name
                     })))
-                self.tags = list(schema_reference.iter_tags())
+                self.tags = sorted(schema_reference.iter_tags(), key=by_semver, reverse=True)
                 tag_names = [tag.name for tag in self.tags]
                 self.branches = [branch for branch in schema_reference.iter_branches()
                                  if branch.name not in tag_names]