diff --git a/smash/web/admin.py b/smash/web/admin.py
index 303aa56d09cf241230750c164e8abb6424dedea9..91037bb878f4658e2f3142ee72a6b1878ddff938 100644
--- a/smash/web/admin.py
+++ b/smash/web/admin.py
@@ -1,7 +1,7 @@
 from django.contrib import admin
 
-from models import StudySubject, Item, Room, AppointmentType, Language, Location, Worker, FlyingTeam, Availability, Holiday, \
-    Visit, Appointment
+from models import StudySubject, Item, Room, AppointmentType, Language, Location, Worker, FlyingTeam, Availability, \
+    Holiday, Visit, Appointment
 
 
 class LanguageAdmin(admin.ModelAdmin):
diff --git a/smash/web/api_views/appointment.py b/smash/web/api_views/appointment.py
index 14a96d62d4423f0343255cc896301db479169dc1..331c331c50b6cecc4f17070235448222c07d7dda 100644
--- a/smash/web/api_views/appointment.py
+++ b/smash/web/api_views/appointment.py
@@ -91,7 +91,9 @@ def serialize_appointment(appointment):
         subject_string = study_subject.subject.last_name + " " + study_subject.subject.first_name
         nd_number = study_subject.nd_number
         screening_number = study_subject.screening_number
-        phone_numbers = ", ".join(filter(None, [study_subject.subject.phone_number, study_subject.subject.phone_number_2, study_subject.subject.phone_number_3]))
+        phone_numbers = ", ".join(filter(None,
+                                         [study_subject.subject.phone_number, study_subject.subject.phone_number_2,
+                                          study_subject.subject.phone_number_3]))
         appointment_types = ", ".join([unicode(type) for type in appointment.appointment_types.all()])
     else:
         title = appointment.comment
diff --git a/smash/web/api_views/daily_planning.py b/smash/web/api_views/daily_planning.py
index bd739c5c5569aabffc3ed9b05c9164e3cd9d5c07..cca2057d53c58f1e41114d90968e1026ac759a51 100644
--- a/smash/web/api_views/daily_planning.py
+++ b/smash/web/api_views/daily_planning.py
@@ -73,15 +73,13 @@ def remove_holidays(availability, worker, date):
     holidays_ending_today = Holiday.objects.filter(person=worker, datetime_end__lte=today_end,
                                                    datetime_end__gte=today_start)
     result = []
-    timestamps = []
-    timestamps.append({
+    timestamps = [{
         "time": availability.available_from,
         "type": "start"
-    })
-    timestamps.append({
+    }, {
         "time": availability.available_till,
         "type": "stop"
-    })
+    }]
 
     direction = -holidays_starting_before.count()
 
diff --git a/smash/web/forms/forms.py b/smash/web/forms/forms.py
index 76b196785782e284bc84f33cb71cf26669600908..b33eb52d2f19cde653eb450aa2732a97e241aba6 100644
--- a/smash/web/forms/forms.py
+++ b/smash/web/forms/forms.py
@@ -349,7 +349,7 @@ class AvailabilityEditForm(ModelForm):
         worker = Worker.objects.get(id=self.cleaned_data["person"].id)
         availabilities = worker.availability_set.all()
         for availability in availabilities:
-            if availability.id <> self.availability_id:
+            if availability.id != self.availability_id:
                 validate_availability_conflict(self, self.cleaned_data, availability)
 
 
@@ -358,9 +358,9 @@ def validate_availability_conflict(self, cleaned_data, availability):
     end_hour = self.cleaned_data.get("available_till", None)
     if availability.day_number == self.cleaned_data.get("day_number", None) and \
             ((start_hour <= availability.available_from < end_hour) or
-                 (start_hour < availability.available_till <= end_hour) or
-                 (availability.available_from <= start_hour < availability.available_till) or
-                 (availability.available_from < end_hour <= availability.available_till)):
+             (start_hour < availability.available_till <= end_hour) or
+             (availability.available_from <= start_hour < availability.available_till) or
+             (availability.available_from < end_hour <= availability.available_till)):
         error = "User has defined availability for this day that overlaps: " + availability.available_from.strftime(
             DATE_FORMAT_TIME) + ", " + availability.available_till.strftime(DATE_FORMAT_TIME)
         self.add_error('day_number', error)
diff --git a/smash/web/forms/study_subject_forms.py b/smash/web/forms/study_subject_forms.py
index 22eba79ce66557e8c53ac5cff063e28fcf3456c2..a8743d146d029b0a26d25c66c1c472ed30fd6974 100644
--- a/smash/web/forms/study_subject_forms.py
+++ b/smash/web/forms/study_subject_forms.py
@@ -131,7 +131,7 @@ def get_study_from_args(kwargs):
 
 
 def prepare_field(fields, visible_columns, field_name, required=False):
-    if not getattr(visible_columns, field_name)  and field_name in fields:
+    if not getattr(visible_columns, field_name) and field_name in fields:
         del fields[field_name]
     elif required:
         fields[field_name].required = True
diff --git a/smash/web/redcap_connector.py b/smash/web/redcap_connector.py
index 8a2828583aee2e92ff795c73ae3182fc505d5e9b..ff09df743be6cd71ce5826ed375330df967e4df6 100644
--- a/smash/web/redcap_connector.py
+++ b/smash/web/redcap_connector.py
@@ -21,14 +21,18 @@ RED_CAP_LANGUAGE_2_FIELD = 'dm_language_2'
 
 RED_CAP_LANGUAGE_1_FIELD = 'dm_language_1'
 
+# noinspection SpellCheckingInspection
 RED_CAP_MPOWER_ID_FIELD = 'dm_mpowerid'
 
 RED_CAP_DEAD_FIELD = 'dm_death'
 
+# noinspection SpellCheckingInspection
 RED_CAP_SEX_FIELD = 'cdisc_dm_sex'
 
+# noinspection SpellCheckingInspection
 RED_CAP_DATE_BORN_FIELD = 'cdisc_dm_brthdtc'
 
+# noinspection SpellCheckingInspection
 RED_CAP_ND_NUMBER_FIELD = 'cdisc_dm_usubjd'
 
 logger = logging.getLogger(__name__)
diff --git a/smash/web/tests/api_views/test_daily_planning.py b/smash/web/tests/api_views/test_daily_planning.py
index abaea166149c9dbf02967115040209f5fcaa9cb8..0d48c8d15ed527d6704f168a77cdd0b47f94dfad 100644
--- a/smash/web/tests/api_views/test_daily_planning.py
+++ b/smash/web/tests/api_views/test_daily_planning.py
@@ -10,8 +10,8 @@ from django.urls import reverse
 from web.api_views.daily_planning import get_workers_for_daily_planning, get_generic_appointment_events
 from web.models import Worker, Availability, Holiday, AppointmentTypeLink
 from web.models.constants import TUESDAY_AS_DAY_OF_WEEK
-from web.tests.functions import create_worker, create_study_subject, create_appointment, create_flying_team, create_visit, \
-    create_appointment_type, get_test_location
+from web.tests.functions import create_worker, create_study_subject, create_appointment, create_flying_team, \
+    create_visit, create_appointment_type, get_test_location
 
 
 class TestApi(TestCase):
diff --git a/smash/web/tests/functions.py b/smash/web/tests/functions.py
index 29dc7123e64fbb76cd8d6d4dd454be27ba029b53..6994935f76045a59b011f429d58b408386c7152d 100644
--- a/smash/web/tests/functions.py
+++ b/smash/web/tests/functions.py
@@ -3,8 +3,8 @@ import os
 
 from django.contrib.auth.models import User
 
-from web.models import Location, AppointmentType, StudySubject, Worker, Visit, Appointment, ConfigurationItem, Language, \
-    ContactAttempt, FlyingTeam, Availability, Subject, Study, StudyColumns
+from web.models import Location, AppointmentType, StudySubject, Worker, Visit, Appointment, ConfigurationItem, \
+    Language, ContactAttempt, FlyingTeam, Availability, Subject, Study, StudyColumns
 from web.models.constants import REDCAP_TOKEN_CONFIGURATION_TYPE, REDCAP_BASE_URL_CONFIGURATION_TYPE, \
     SEX_CHOICES_MALE, SUBJECT_TYPE_CHOICES_CONTROL, CONTACT_TYPES_PHONE, \
     MONDAY_AS_DAY_OF_WEEK, COUNTRY_AFGHANISTAN_ID