diff --git a/smash/web/api_views/subject.py b/smash/web/api_views/subject.py
index 881fb347301f5b0be62044334fe243f71b10d6f4..ab07fde9176079240b8225a31d40a0b652fd6fa7 100644
--- a/smash/web/api_views/subject.py
+++ b/smash/web/api_views/subject.py
@@ -19,8 +19,7 @@ logger = logging.getLogger(__name__)
 
 # noinspection PyUnusedLocal
 def cities(request):
-    result_subjects = Subject.objects.filter(
-        city__isnull=False).values_list('city').distinct()
+    result_subjects = Subject.objects.filter(city__isnull=False).values_list('city').distinct()
     return JsonResponse({
         "cities": [x[0] for x in result_subjects]
     })
@@ -28,8 +27,7 @@ def cities(request):
 
 # noinspection PyUnusedLocal
 def referrals(request):
-    result_subjects = StudySubject.objects.filter(
-        referral__isnull=False).values_list('referral').distinct()
+    result_subjects = StudySubject.objects.filter(referral__isnull=False).values_list('referral').distinct()
     return JsonResponse({
         "referrals": [x[0] for x in result_subjects]
     })
@@ -37,8 +35,7 @@ def referrals(request):
 
 def get_subject_columns(request, subject_list_type):
     study = Study.objects.filter(id=GLOBAL_STUDY_ID)[0]
-    study_subject_lists = StudySubjectList.objects.filter(
-        study=study, type=subject_list_type)
+    study_subject_lists = StudySubjectList.objects.filter(study=study, type=subject_list_type)
     if len(study_subject_lists) > 0:
         study_subject_list = study_subject_lists[0]
         subject_columns = study_subject_list.visible_subject_columns
@@ -49,44 +46,30 @@ def get_subject_columns(request, subject_list_type):
         study_subject_columns = StudyColumns()
 
     result = []
-    add_column(result, "ND", "nd_number", study_subject_columns,
-               "string_filter", study.columns)
-    add_column(result, "Screening", "screening_number",
-               study_subject_columns, "string_filter", study.columns)
-    add_column(result, "First name", "first_name",
-               subject_columns, "string_filter")
-    add_column(result, "Last name", "last_name",
-               subject_columns, "string_filter")
-    add_column(result, "Social Security Number",
-               "social_security_number", subject_columns, "string_filter")
+    add_column(result, "ND", "nd_number", study_subject_columns, "string_filter", study.columns)
+    add_column(result, "Screening", "screening_number", study_subject_columns, "string_filter", study.columns)
+    add_column(result, "First name", "first_name", subject_columns, "string_filter")
+    add_column(result, "Last name", "last_name", subject_columns, "string_filter")
+    add_column(result, "Social Security Number", "social_security_number", subject_columns, "string_filter")
     add_column(result, "Date of birth", "date_born", subject_columns, None)
-    add_column(result, "Contact on", "datetime_contact_reminder",
-               study_subject_columns, None, study.columns)
-    add_column(result, "Last contact attempt",
-               "last_contact_attempt", study_subject_list, None)
-    add_column(result, "Referred by", "referral",
-               study_subject_columns, "string_filter", study.columns)
+    add_column(result, "Contact on", "datetime_contact_reminder", study_subject_columns, None, study.columns)
+    add_column(result, "Last contact attempt", "last_contact_attempt", study_subject_list, None)
+    add_column(result, "Referred by", "referral", study_subject_columns, "string_filter", study.columns)
     add_column(result, "Health partner name", "health_partner_first_name", None, "string_filter",
                add_param=study.columns.health_partner,
                visible_param=study_subject_columns.health_partner)
     add_column(result, "Health partner last name", "health_partner_last_name", None, "string_filter",
                add_param=study.columns.health_partner,
                visible_param=study_subject_columns.health_partner)
-    add_column(result, "Location", "default_location",
-               study_subject_columns, "location_filter", study.columns)
+    add_column(result, "Location", "default_location", study_subject_columns, "location_filter", study.columns)
     add_column(result, "Flying team location", "flying_team", study_subject_columns, "flying_team_filter",
                study.columns)
     add_column(result, "Deceased", "dead", subject_columns, "yes_no_filter")
-    add_column(result, "Resigned", "resigned",
-               study_subject_columns, "yes_no_filter", study.columns)
-    add_column(result, "Postponed", "postponed",
-               study_subject_columns, "yes_no_filter", study.columns)
-    add_column(result, "Excluded", "excluded",
-               study_subject_columns, "yes_no_filter", study.columns)
-    add_column(result, "Info sent", "information_sent",
-               study_subject_columns, "yes_no_filter", study.columns)
-    add_column(result, "Type", "type", study_subject_columns,
-               "type_filter", study.columns)
+    add_column(result, "Resigned", "resigned", study_subject_columns, "yes_no_filter", study.columns)
+    add_column(result, "Postponed", "postponed", study_subject_columns, "yes_no_filter", study.columns)
+    add_column(result, "Excluded", "excluded", study_subject_columns, "yes_no_filter", study.columns)
+    add_column(result, "Info sent", "information_sent", study_subject_columns, "yes_no_filter", study.columns)
+    add_column(result, "Type", "type", study_subject_columns, "type_filter", study.columns)
     add_column(result, "Edit", "edit", None, None, sortable=False)
     for visit_number in range(1, 9):
         visit_key = "visit_" + str(visit_number)
@@ -122,11 +105,9 @@ def get_subjects_order(subjects_to_be_ordered, order_column, order_direction, co
     else:
         order_direction = "-"
     if order_column == "first_name":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'subject__first_name')
+        result = subjects_to_be_ordered.order_by(order_direction + 'subject__first_name')
     elif order_column == "last_name":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'subject__last_name')
+        result = subjects_to_be_ordered.order_by(order_direction + 'subject__last_name')
     elif order_column == "nd_number":
         result = subjects_to_be_ordered.order_by(order_direction + 'nd_number')
     elif order_column == "referral":
@@ -137,31 +118,23 @@ def get_subjects_order(subjects_to_be_ordered, order_column, order_direction, co
         else:
             pattern = column_filters[u'screening_number']
         result = subjects_to_be_ordered.all()
-        result = sorted(result, key=lambda t: t.sort_matched_screening_first(
-            pattern, reverse=order_direction == '-'), reverse=order_direction == '-')
+        result = sorted(result, key=lambda t: t.sort_matched_screening_first(pattern, reverse=order_direction == '-'), reverse = order_direction == '-' )
     elif order_column == "default_location":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'default_location')
+        result = subjects_to_be_ordered.order_by(order_direction + 'default_location')
     elif order_column == "flying_team":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'flying_team')
+        result = subjects_to_be_ordered.order_by(order_direction + 'flying_team')
     elif order_column == "dead":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'subject__dead')
+        result = subjects_to_be_ordered.order_by(order_direction + 'subject__dead')
     elif order_column == "resigned":
         result = subjects_to_be_ordered.order_by(order_direction + 'resigned')
     elif order_column == "information_sent":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'information_sent')
+        result = subjects_to_be_ordered.order_by(order_direction + 'information_sent')
     elif order_column == "health_partner_first_name":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'health_partner__first_name')
+        result = subjects_to_be_ordered.order_by(order_direction + 'health_partner__first_name')
     elif order_column == "health_partner_last_name":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'health_partner__last_name')
+        result = subjects_to_be_ordered.order_by(order_direction + 'health_partner__last_name')
     elif order_column == "social_security_number":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'subject__social_security_number')
+        result = subjects_to_be_ordered.order_by(order_direction + 'subject__social_security_number')
     elif order_column == "postponed":
         result = subjects_to_be_ordered.order_by(order_direction + 'postponed')
     elif order_column == "excluded":
@@ -171,19 +144,16 @@ def get_subjects_order(subjects_to_be_ordered, order_column, order_direction, co
     elif order_column == "id":
         result = subjects_to_be_ordered.order_by(order_direction + 'id')
     elif order_column == "date_born":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'subject__date_born')
+        result = subjects_to_be_ordered.order_by(order_direction + 'subject__date_born')
     elif order_column == "datetime_contact_reminder":
-        result = subjects_to_be_ordered.order_by(
-            order_direction + 'datetime_contact_reminder')
+        result = subjects_to_be_ordered.order_by(order_direction + 'datetime_contact_reminder')
     elif order_column == "last_contact_attempt":
         # noinspection SpellCheckingInspection
         result = subjects_to_be_ordered.annotate(sort_contact_attempt=Max("contactattempt__datetime_when")).order_by(
             order_direction + 'sort_contact_attempt')
     elif str(order_column).startswith("visit_"):
         visit_number = get_visit_number_from_visit_x_string(order_column)
-        result = order_by_visit(subjects_to_be_ordered,
-                                order_direction, visit_number)
+        result = order_by_visit(subjects_to_be_ordered, order_direction, visit_number)
     else:
         logger.warn("Unknown sort column: " + str(order_column))
     return result
@@ -199,10 +169,8 @@ def filter_by_visit(result, visit_number, visit_type):
     datetime_begin_filter = 'visit_' + str(visit_number) + '_datetime_begin'
     datetime_end_filter = 'visit_' + str(visit_number) + '_datetime_end'
     is_finished_filter = 'visit_' + str(visit_number) + '_is_finished'
-    finished_appointments_filter = 'visit_' + \
-        str(visit_number) + '_finished_appointments'
-    scheduled_appointments_filter = 'visit_' + \
-        str(visit_number) + '_scheduled_appointments'
+    finished_appointments_filter = 'visit_' + str(visit_number) + '_finished_appointments'
+    scheduled_appointments_filter = 'visit_' + str(visit_number) + '_scheduled_appointments'
 
     # this is hack... instead of providing True/False value this field contain 1/0 value, the problem is that we need
     # to provide aggregate function for the interacting parameter
@@ -214,13 +182,11 @@ def filter_by_visit(result, visit_number, visit_type):
 
     # number of finished appointments
     result = result.annotate(**{finished_appointments_filter: Count(Case(When(
-        Q(visit__appointment__status=Appointment.APPOINTMENT_STATUS_FINISHED) & Q(
-            visit__visit_number=visit_number),
+        Q(visit__appointment__status=Appointment.APPOINTMENT_STATUS_FINISHED) & Q(visit__visit_number=visit_number),
         then=1)))})
     # number of scheduled appointments
     result = result.annotate(**{scheduled_appointments_filter: Count(Case(When(
-        Q(visit__appointment__status=Appointment.APPOINTMENT_STATUS_SCHEDULED) & Q(
-            visit__visit_number=visit_number),
+        Q(visit__appointment__status=Appointment.APPOINTMENT_STATUS_SCHEDULED) & Q(visit__visit_number=visit_number),
         then=1)))})
 
     # when visit starts
@@ -253,8 +219,7 @@ def filter_by_visit(result, visit_number, visit_type):
             filter(**{datetime_end_filter + "__gt": get_today_midnight_date()}). \
             filter(**{scheduled_appointments_filter: 0})
     elif visit_type == "UPCOMING":
-        result = result.filter(
-            **{datetime_begin_filter + "__gt": get_today_midnight_date()})
+        result = result.filter(**{datetime_begin_filter + "__gt": get_today_midnight_date()})
 
     return result
 
@@ -280,8 +245,6 @@ def get_subjects_filtered(subjects_to_be_filtered, filters):
             result = result.filter(resigned=(value == "true"))
         elif column == "postponed":
             result = result.filter(postponed=(value == "true"))
-        elif column == "excluded":
-            result = result.filter(excluded=(value == "true"))
         elif column == "information_sent":
             result = result.filter(information_sent=(value == "true"))
         elif column == "health_partner_first_name":
@@ -289,8 +252,7 @@ def get_subjects_filtered(subjects_to_be_filtered, filters):
         elif column == "health_partner_last_name":
             result = result.filter(health_partner__last_name__icontains=value)
         elif column == "social_security_number":
-            result = result.filter(
-                subject__social_security_number__icontains=value)
+            result = result.filter(subject__social_security_number__icontains=value)
         elif column == "default_location":
             result = result.filter(default_location=value)
         elif column == "flying_team":
@@ -314,16 +276,14 @@ def get_subjects_filtered(subjects_to_be_filtered, filters):
 
 def subjects(request, type):
     try:
-        # id of the query from dataTable:
-        # https://datatables.net/manual/server-side
+        # id of the query from dataTable: https://datatables.net/manual/server-side
         draw = int(request.GET.get("draw", "-1"))
 
         start = int(request.GET.get("start", "0"))
         length = int(request.GET.get("length", "10"))
         order = int(request.GET.get("order[0][column]", "0"))
         order_dir = request.GET.get("order[0][dir]", "asc")
-        order_column = request.GET.get(
-            "columns[" + str(order) + "][data]", "last_name")
+        order_column = request.GET.get("columns[" + str(order) + "][data]", "last_name")
 
         filters = get_filters_for_data_table_request(request)
 
@@ -332,8 +292,7 @@ def subjects(request, type):
         count = all_subjects.count()
 
         filtered_subjects = get_subjects_filtered(all_subjects, filters)
-        ordered_subjects = get_subjects_order(
-            filtered_subjects, order_column, order_dir, column_filters=dict(filters))
+        ordered_subjects = get_subjects_order(filtered_subjects, order_column, order_dir, column_filters=dict(filters))
         sliced_subjects = ordered_subjects[start:(start + length)]
 
         result_subjects = sliced_subjects
@@ -367,8 +326,7 @@ def types(request):
 def serialize_subject(study_subject):
     location = location_to_str(study_subject.default_location)
     flying_team = flying_team_to_str(study_subject.flying_team)
-    visits = Visit.objects.filter(
-        subject=study_subject).order_by('visit_number')
+    visits = Visit.objects.filter(subject=study_subject).order_by('visit_number')
     serialized_visits = []
     for visit in visits:
         if visit.datetime_begin < get_today_midnight_date():
@@ -400,10 +358,8 @@ def serialize_subject(study_subject):
             "datetime_start": serialize_date(visit.datetime_begin),
             "datetime_end": serialize_date(visit.datetime_end),
         })
-    contact_reminder = serialize_datetime(
-        study_subject.datetime_contact_reminder)
-    contact_attempts = ContactAttempt.objects.filter(
-        subject=study_subject).order_by("-datetime_when")
+    contact_reminder = serialize_datetime(study_subject.datetime_contact_reminder)
+    contact_attempts = ContactAttempt.objects.filter(subject=study_subject).order_by("-datetime_when")
     if len(contact_attempts) > 0:
         last_contact_attempt = contact_attempts[0]
         last_contact_attempt_string = serialize_datetime(last_contact_attempt.datetime_when) + "<br/>" + unicode(
@@ -441,4 +397,4 @@ def serialize_subject(study_subject):
         "id": study_subject.id,
         "visits": serialized_visits,
     }
-    return result
+    return result
\ No newline at end of file