Update app.py

app.py

@@ -100,7 +100,7 @@ def search(query, num_results=10):
             "repository": hit["repository"],
             "commit_id": hit["commit_id"],
             "path": hit["path"],
-            "license": hit["scancode_licenses"] if hit["gh_license"] is None else hit["gh_license"],
+            "license": ", ".join(hit["scancode_licenses"]) if hit["gh_license"] is None else hit["gh_license"],
             "language": hit["language"],
         }
         for hit in response