Fix an issue listing collections

trustgraph-base/trustgraph/api/collection.py

@@ -27,6 +27,14 @@ class Collection:
         object = self.request(input)
 
         try:
+            # Handle case where collections might be None or missing
+            if object is None or "collections" not in object:
+                return []
+
+            collections = object.get("collections", [])
+            if collections is None:
+                return []
+
             return [
                 CollectionMetadata(
                     user = v["user"],
@@ -37,7 +45,7 @@ class Collection:
                     created_at = v["created_at"],
                     updated_at = v["updated_at"]
                 )
-                for v in object["collections"]
+                for v in collections
             ]
         except Exception as e:
             logger.error("Failed to parse collection list response", exc_info=True)

trustgraph-cli/trustgraph/cli/list_collections.py

@@ -17,8 +17,9 @@ def list_collections(url, user, tag_filter):
 
     collections = api.list_collections(user=user, tag_filter=tag_filter)
 
-    if len(collections) == 0:
-        print("No collections.")
+    # Handle None or empty collections
+    if not collections or len(collections) == 0:
+        print("No collections found.")
         return
 
     table = []