do not show error toggle button when no problem is present

jmdc-ui/jmdc_app/templates/submit_errors.jinja2

         {% if entries %}
+            {% if has_problem %}
             <a onclick="$(&quot;.erroronly&quot;).toggleClass(&quot;hidden&quot;);" class="dt-button"><span class="erroronly btn btn-warning btn-xs hidden">show all</span><span class="erroronly btn btn-success btn-xs">show error only</span></a>
-        
+            {% endif %}
+
             <div class="entry-info">
                 {% for entry in entries %}
                     {% if entry.entry.warnings or entry.entry.errors or not entry.entry.unique %}

jmdc-ui/jmdc_app/views/verify.py

@@ -34,7 +34,7 @@ def send_email_to_moderator(settings, moderate_url):
         # TODO: change the mail subject
         message = Message(subject="there is one submission to moderate", sender=sender,
                             recipients=[moderator],
-                            body="There is a new submission at JMDC, moderation can be done here : \n %s \nRegards!"%moderate_url) 
+                            body="There is a new submission at JMDC, moderation can be done here : \n %s \nRegards!"%moderate_url)
         mailer = Mailer.from_settings(settings)
         mailer.send(message)
 
@@ -211,6 +211,7 @@ def moderate_submission(request):
                         if k not in problem_fields:
                             problem_fields.append(k)
             problem_fields.sort()
+            context['has_problem'] = True
             entry['problem_fields'] = problem_fields
             entries.append({'line': e.line_number-1, 'entry': entry})
         context['entries'] = entries