diff --git a/test.py b/test.py
index 5bddb7c7d..3b8ead274 100644
--- a/test.py
+++ b/test.py
@@ -179,7 +179,9 @@ def get_namespaces(nwbfile):
                     if comp.returncode != 0:
                         return []
 
-                    return comp.stdout.split()
+                    output_lines = comp.stdout.split('\n')
+                    filtered_output = [line for line in output_lines if not re.search(r'warning', line, re.IGNORECASE) and line != '']
+                    return filtered_output
 
                 namespaces = get_namespaces(nwb)