BAU: Only call progress endpoint if we have data (#127)

* BAU: Only call progress endpoint if we have data

* BAU: Rename variable instead of mutating

app/assess/routes.py

@@ -233,16 +233,17 @@ def landing():
     assessment_deadline = get_round(
         Config.COF_FUND_ID, Config.COF_ROUND2_ID
     ).assessment_deadline
-
-    # Updating assessment progress for applications
-    application_overviews = get_assessment_progress(
-        application_overviews
-        )
-
+
+    post_processed_overviews = (
+        get_assessment_progress(application_overviews)
+        if application_overviews
+        else []
+    )
+
     return render_template(
         "assessor_dashboard.html",
         user=g.user,
-        application_overviews=application_overviews,
+        application_overviews=post_processed_overviews,
         assessment_deadline=assessment_deadline,
         query_params=search_params,
         asset_types=asset_types,
@@ -344,6 +345,8 @@ def sub_crit_scoring():
 
 @assess_bp.route("/file/<application_id>/<file_name>", methods=["GET"])
 def get_file(application_id: str, file_name: str):
-    response = get_file_response(application_id=application_id, file_name=file_name)
-
-    return response
+    response = get_file_response(
+        application_id=application_id, file_name=file_name
+    )
+
+    return response