diff --git a/common/utils.py b/common/utils.py
index fef158607652f45463928f148568693bda03a5fe..cdbb65c174398fa1f5b1df176cd9c9a534d23240 100644
--- a/common/utils.py
+++ b/common/utils.py
@@ -2,27 +2,25 @@ __copyright__ = "Copyright 2016-2018, Stichting SciPost (SciPost Foundation)"
 __license__ = "AGPL v3"
 
 
-from datetime import datetime, timedelta
+from datetime import timedelta
 from django.core.mail import EmailMultiAlternatives
 from django.template import loader
 
 
-"""
-Given two datetime parameters, this function returns the
-number of complete workdays (defined as weekdays) separating them.
-"""
-def workdays_between (datetime_from, datetime_until):
+def workdays_between(datetime_from, datetime_until):
+    """Return number of complete workdays.
+
+    Given two datetime parameters, this function returns the
+    number of complete workdays (defined as weekdays) separating them.
+    """
     duration = datetime_until - datetime_from
-    days = int(duration.total_seconds()//86400)
-    weeks = int(days//7)
-    daygenerator = (datetime_until - timedelta(x) for x in range(days - 7*weeks))
-    print ('days = %s, weeks = %s' % (days, weeks))
+    days = int(duration.total_seconds() // 86400)
+    weeks = int(days // 7)
+    daygenerator = (datetime_until - timedelta(x) for x in range(days - 7 * weeks))
     workdays = 5 * weeks + sum(1 for day in daygenerator if day.weekday() < 5)
     return workdays
 
 
-
-
 class BaseMailUtil(object):
     mail_sender = 'no-reply@scipost.org'
     mail_sender_title = ''
diff --git a/submissions/management/commands/send_refereeing_reminders.py b/submissions/management/commands/send_refereeing_reminders.py
index bc000bba6bc62f2fb31d968581a4b797f3bbfcd6..0e98faa6cf6253a1c44f685d6e1659ae9fc3b1a5 100644
--- a/submissions/management/commands/send_refereeing_reminders.py
+++ b/submissions/management/commands/send_refereeing_reminders.py
@@ -13,6 +13,7 @@ from ...models import Submission
 
 class Command(BaseCommand):
     help = 'Sends all email reminders needed for Submissions undergoing refereeing'
+
     def handle(self, *args, **options):
         for submission in Submission.objects.open_for_reporting():
             # Send reminders to referees who have not responded:
@@ -33,7 +34,7 @@ class Command(BaseCommand):
                     invitation.date_last_reminded = timezone.now()
                     invitation.save()
                 # second (and final) reminder after 4 days
-                if workdays_between(invitation.date_invited, timezone.now()) == 4:
+                elif workdays_between(invitation.date_invited, timezone.now()) == 4:
                     if invitation.referee:
                         mail_sender = DirectMailUtil(
                             mail_code='referees/invite_contributor_to_referee_reminder2',
@@ -49,14 +50,13 @@ class Command(BaseCommand):
                     invitation.save()
                 # after 6 days of no response, EIC is automatically emailed
                 # with the suggestion of removing and replacing this referee
-                if workdays_between(invitation.date_invited, timezone.now()) == 6:
+                elif workdays_between(invitation.date_invited, timezone.now()) == 6:
                     mail_sender = DirectMailUtil(
-                        mail_code='eic/referee_unresponsive',
-                        instance=invitation)
+                        mail_code='eic/referee_unresponsive', instance=invitation)
                     mail_sender.send()
             # one week before refereeing deadline: auto email reminder to ref
             if workdays_between(timezone.now(), submission.reporting_deadline) == 5:
                 for invitation in submission.refereeing_invitations.in_process():
-                    mail_sender = DirectMailUtil(mail_code='referees/remind_referee_deadline_1week',
-                                                 instance=invitation)
+                    mail_sender = DirectMailUtil(
+                        mail_code='referees/remind_referee_deadline_1week', instance=invitation)
                     mail_sender.send()
diff --git a/templates/email/eic/referee_unresponsive.html b/templates/email/eic/referee_unresponsive.html
index e784458f01b5c03644b815b28f59d2e536abe1b6..9dfb06aa341d18145ffcf4e5e9258dbbaa6a8d96 100644
--- a/templates/email/eic/referee_unresponsive.html
+++ b/templates/email/eic/referee_unresponsive.html
@@ -11,7 +11,7 @@
     has failed to respond to the invitation (after being sent {{invitation.nr_reminders}} reminders).
 </p>
 <p>
-  Unless you are confident that this referee will really deliver a Report, and to ensure that this Submission does not suffer from unnecessary delays in processing, you should ideally invite a replacement referee using the tols on the <a href="https://scipost.org{% url 'submissions:editorial_page' assignment.submission.arxiv_identifier_w_vn_nr %}">Editorial page</a>.
+  Unless you are confident that this referee will really deliver a Report, and to ensure that this Submission does not suffer from unnecessary delays in processing, you should ideally invite a replacement referee using the tools on the <a href="https://scipost.org{% url 'submissions:editorial_page' invitation.submission.arxiv_identifier_w_vn_nr %}">Editorial page</a>.
 </p>
 <p>
     We are very grateful for your prompt action.