diff --git a/tutoraspects/templates/aspects/apps/superset/pythonpath/performance_metrics.py b/tutoraspects/templates/aspects/apps/superset/pythonpath/performance_metrics.py
index ef106d9be..269a67d39 100644
--- a/tutoraspects/templates/aspects/apps/superset/pythonpath/performance_metrics.py
+++ b/tutoraspects/templates/aspects/apps/superset/pythonpath/performance_metrics.py
@@ -46,7 +46,10 @@
 )
 
 @click.command()
-@click.option("--course_key", default="", help="A course_key to apply as a filter.")
+@click.option(
+    "--course_key",
+    default="",
+    help="A course_key to apply as a filter, you must include the 'course-v1:'.")
 @click.option(
     "--print_sql",
     is_flag=True,
@@ -64,7 +67,8 @@ def performance_metrics(course_key, print_sql, fail_on_error):
     # table by by the http_user_agent field.
     extra_filters = []
     if course_key:
-        extra_filters+=[{"col":"course_key","op":"==","val":course_key}]
+        extra_filters += [{"col": "course_key", "op": "==", "val": course_key}]
+
     with patch("clickhouse_connect.common.build_client_name") as mock_build_client_name:
         mock_build_client_name.return_value = RUN_ID
         embedable_dashboards = {{SUPERSET_EMBEDDABLE_DASHBOARDS}}
@@ -78,7 +82,11 @@ def performance_metrics(course_key, print_sql, fail_on_error):
         for dashboard in dashboards:
             logger.info(f"Dashboard: {dashboard.slug}")
             for slice in dashboard.slices:
-                query_context = get_slice_query_context(slice, query_contexts)
+                query_context = get_slice_query_context(
+                    slice,
+                    query_contexts,
+                    extra_filters
+                )
                 result = measure_chart(slice, query_context, fail_on_error)
                 if not result:
                     continue
@@ -111,7 +119,11 @@ def get_query_contexts_from_assets():
     logger.info(f"Found {len(query_contexts)} query contexts")
     return query_contexts
 
-def get_slice_query_context(slice, query_contexts, extra_filters=[]):
+
+def get_slice_query_context(slice, query_contexts, extra_filters=None):
+    if not extra_filters:
+        extra_filters = []
+
     query_context = query_contexts.get(str(slice.uuid), {})
     if not query_context:
         logger.info(f"SLICE {slice} has no query context! {slice.uuid}")
@@ -131,7 +143,7 @@ def get_slice_query_context(slice, query_contexts, extra_filters=[]):
 
     if extra_filters:
         for query in query_context["queries"]:
-            query["filters"]+=extra_filters
+            query["filters"] += extra_filters
 
     return query_context
 
@@ -152,7 +164,6 @@ def measure_chart(slice, query_context, fail_on_error):
 
         for query in result["queries"]:
             if "error" in query and query["error"]:
-                print(query["error"])
                 raise query["error"]
     except Exception as e:
         logger.error(f"Error fetching slice data: {slice}. Error: {e}")