diff --git a/src/webmon_app/reporting/report/view_util.py b/src/webmon_app/reporting/report/view_util.py
index f09d7b95..3a4c4816 100644
--- a/src/webmon_app/reporting/report/view_util.py
+++ b/src/webmon_app/reporting/report/view_util.py
@@ -10,8 +10,8 @@
 import datetime
 import string
 import re
-import requests
 import hashlib
+import requests
 from reporting.report.models import (
     DataRun,
     RunStatus,
@@ -510,11 +510,12 @@ def get_plot_template_dict(run_object=None, instrument=None, run_id=None):
         "plot_label_x": "",
         "plot_label_y": "",
         "update_url": None,
+        "key": generate_key(instrument, run_id),
     }
 
     url_template = string.Template(settings.LIVE_DATA_SERVER)
     live_data_url = url_template.substitute(instrument=instrument, run_number=run_id)
-    live_data_url = "https://%s:%s%s" % (
+    live_data_url = "https://{}:{}{}".format(
         settings.LIVE_DATA_SERVER_DOMAIN,
         settings.LIVE_DATA_SERVER_PORT,
         live_data_url,
@@ -524,7 +525,7 @@ def get_plot_template_dict(run_object=None, instrument=None, run_id=None):
     html_data = get_plot_data_from_server(instrument, run_id, "html")
     if html_data is not None:
         plot_dict["html_data"] = html_data
-        plot_dict["update_url"] = append_key("%s/html/" % live_data_url, instrument, run_id)
+        plot_dict["update_url"] = append_key(live_data_url + "/html/", instrument, run_id)
         if extract_ascii_from_div(html_data) is not None:
             plot_dict["data_url"] = reverse("report:download_reduced_data", args=[instrument, run_id])
         return plot_dict
@@ -534,7 +535,7 @@ def get_plot_template_dict(run_object=None, instrument=None, run_id=None):
 
     # Third, local json data for the d3 plots
     if json_data:
-        plot_dict["update_url"] = append_key("%s/json/" % live_data_url, instrument, run_id)
+        plot_dict["update_url"] = append_key(live_data_url + "/json/", instrument, run_id)
 
     plot_data, x_label, y_label = extract_d3_data_from_json(json_data)
     if plot_data is not None:
diff --git a/src/webmon_app/reporting/tests/test_report/test_view_util.py b/src/webmon_app/reporting/tests/test_report/test_view_util.py
index e6863efd..4ada513e 100644
--- a/src/webmon_app/reporting/tests/test_report/test_view_util.py
+++ b/src/webmon_app/reporting/tests/test_report/test_view_util.py
@@ -11,12 +11,7 @@
 from reporting.report.models import WorkflowSummary
 from reporting.report.models import StatusQueueMessageCount
 
-import os
 import json
-from reporting import dasmon, report, reporting_app
-import httplib2
-
-_ = [dasmon, report, reporting_app, os, httplib2]
 
 
 class ViewUtilTest(TestCase):
diff --git a/tests/test_livedata.py b/tests/test_livedata.py
index 894b3a4e..dbff088b 100644
--- a/tests/test_livedata.py
+++ b/tests/test_livedata.py
@@ -61,9 +61,9 @@ def send_request(self, task, run_number, requestType):
         return response.text
 
     def test_reduction_request_livedata(self):
-        key = generate_key(self.instrument, self.run_number)
         ssl_crt_filename = os.path.join(os.path.dirname(os.path.abspath(__file__)), "../nginx/nginx.crt")
 
+        key = generate_key(self.instrument, self.run_number)
         # first check that the there isn't an existing plot, should 404
         response = requests.get(
             f"{LIVEDATA_TEST_URL}/plots/{self.instrument}/{self.run_number}/update/html/?key={key}",