Fix _run_term_info to convert numpy types and update dict_cursor to handle non-iterable results

Author: Robbie1977

src/vfbquery/ha_api.py

@@ -125,7 +125,8 @@ def _init_worker():
 
 def _run_term_info(short_form):
     """Execute get_term_info in a worker process. Returns JSON-serialisable dict."""
-    return _vfb.get_term_info(short_form)
+    result = _vfb.get_term_info(short_form)
+    return _convert_numpy_types(result)
 
 
 def _run_query(short_form, func_name):

src/vfbquery/neo4j_client.py

@@ -21,6 +21,8 @@ def dict_cursor(results):
     :return: list of dicts
     """
     dc = []
+    if not results or not hasattr(results, '__iter__'):
+        return dc
     for n in results:
         # Add conditional to skip any failures
         if n: