use-titles: Use $ref'erring title if available

Author: jpmckinney

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Fixed
+
+- use-titles: Use $ref'erring title if available https://github.com/OpenDataServices/flatten-tool/pull/368 
+
 ## [0.15.2] - 2020-10-29
 
 ### Fixed

flattentool/schema.py

@@ -245,7 +245,13 @@ def parse_schema_dict(
 
                 property_type_set = get_property_type_set(property_schema_dict)
 
-                title = property_schema_dict.get("title")
+                if (
+                    hasattr(property_schema_dict, "__reference__")
+                    and "title" in property_schema_dict.__reference__
+                ):
+                    title = property_schema_dict.__reference__["title"]
+                else:
+                    title = property_schema_dict.get("title")
                 if title:
                     title_lookup[title] = TitleLookup()
                     title_lookup[title].property_name = property_name