diff --git a/BackEnd_PlanItNow/schema.py b/BackEnd_PlanItNow/schema.py
index 62d5169..2a22108 100644
--- a/BackEnd_PlanItNow/schema.py
+++ b/BackEnd_PlanItNow/schema.py
@@ -1,9 +1,10 @@
 import graphene
 import graphql_jwt
-import plans.schema
-import users.schema
+
 import friendship.schema
+import plans.schema
 import userprofiles.schema
+import users.schema
 
 
 class Query(plans.schema.Query,
diff --git a/BackEnd_PlanItNow/settings.py b/BackEnd_PlanItNow/settings.py
index 24eee52..bb7c5d4 100644
--- a/BackEnd_PlanItNow/settings.py
+++ b/BackEnd_PlanItNow/settings.py
@@ -85,7 +85,7 @@
 # Database
 # https://docs.djangoproject.com/en/3.1/ref/settings/#databases
 
-'''
+
 DATABASES = {
     'default': {
        'ENGINE': 'django.db.backends.sqlite3',
@@ -101,6 +101,7 @@
         default=config('DATABASE_URL')
     )
 }
+'''
 
 
 # Password validation
diff --git a/BackEnd_PlanItNow/urls.py b/BackEnd_PlanItNow/urls.py
index b7d6cf3..5221a5c 100644
--- a/BackEnd_PlanItNow/urls.py
+++ b/BackEnd_PlanItNow/urls.py
@@ -16,8 +16,8 @@
 from django.contrib import admin
 from django.urls import path
 from django.views.decorators.csrf import csrf_exempt
-
 from graphene_django.views import GraphQLView
+
 from BackEnd_PlanItNow.schema import schema
 
 urlpatterns = [
diff --git a/db.sqlite3 b/db.sqlite3
index 247a88e..75d6492 100644
Binary files a/db.sqlite3 and b/db.sqlite3 differ
diff --git a/friendship/migrations/0001_initial.py b/friendship/migrations/0001_initial.py
index 28c79f3..1a9fd7e 100644
--- a/friendship/migrations/0001_initial.py
+++ b/friendship/migrations/0001_initial.py
@@ -1,7 +1,7 @@
 # Generated by Django 3.1.4 on 2021-09-03 19:23
 
-from django.db import migrations, models
 import django.db.models.deletion
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
diff --git a/friendship/models.py b/friendship/models.py
index fb2c632..f6b91ee 100644
--- a/friendship/models.py
+++ b/friendship/models.py
@@ -1,7 +1,9 @@
-from userprofiles.models import UserProfile
-from django.db import models
 from enum import Enum
 
+from django.db import models
+
+from userprofiles.models import UserProfile
+
 
 class FriendRequestStatus(Enum):
     """Stores the different friendship request status"""
diff --git a/friendship/schema.py b/friendship/schema.py
index 9e15b0f..42c0923 100644
--- a/friendship/schema.py
+++ b/friendship/schema.py
@@ -1,10 +1,9 @@
-from friendship.models import FriendRequest
-from friendship.models import FriendRequestStatus
-from userprofiles.models import UserProfile
-
 import graphene
 from graphene_django import DjangoObjectType
 
+from friendship.models import FriendRequest, FriendRequestStatus
+from userprofiles.models import UserProfile
+
 
 class FriendRequestType(DjangoObjectType):
     class Meta:
diff --git a/manage.py b/manage.py
index 144eb7c..b36c726 100755
--- a/manage.py
+++ b/manage.py
@@ -6,15 +6,15 @@
 
 def main():
     """Run administrative tasks."""
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'BackEnd_PlanItNow.settings')
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE',
+                          'BackEnd_PlanItNow.settings')
     try:
         from django.core.management import execute_from_command_line
     except ImportError as exc:
         raise ImportError(
             "Couldn't import Django. Are you sure it's installed and "
             "available on your PYTHONPATH environment variable? Did you "
-            "forget to activate a virtual environment?"
-        ) from exc
+            "forget to activate a virtual environment?") from exc
     execute_from_command_line(sys.argv)
 
 
diff --git a/plans/admin.py b/plans/admin.py
index 8cf015b..a6b0765 100644
--- a/plans/admin.py
+++ b/plans/admin.py
@@ -1,5 +1,6 @@
 from django.contrib import admin
+
 from plans.models import Plan
 
 # Register your models.py here.
-admin.site.register(Plan)
\ No newline at end of file
+admin.site.register(Plan)
diff --git a/plans/migrations/0001_initial.py b/plans/migrations/0001_initial.py
index 69e3dd6..cda3f19 100644
--- a/plans/migrations/0001_initial.py
+++ b/plans/migrations/0001_initial.py
@@ -1,8 +1,8 @@
 # Generated by Django 3.1.4 on 2021-09-03 19:21
 
+import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
-import django.db.models.deletion
 
 
 class Migration(migrations.Migration):
diff --git a/plans/models.py b/plans/models.py
index aa03342..37cc069 100644
--- a/plans/models.py
+++ b/plans/models.py
@@ -1,6 +1,7 @@
-from userprofiles.models import UserProfile
-from django.db import models
 from django.contrib.auth import get_user_model
+from django.db import models
+
+from userprofiles.models import UserProfile
 
 
 # PlanModel
diff --git a/plans/schema.py b/plans/schema.py
index b685938..fc02f7c 100644
--- a/plans/schema.py
+++ b/plans/schema.py
@@ -1,12 +1,11 @@
-import graphene
-
 from datetime import date
+
+import graphene
+from django.db.models import Q
 from graphene_django import DjangoObjectType
-from plans.models import Plan
-from plans.models import PlanParticipation
 
+from plans.models import Plan, PlanParticipation
 from userprofiles.models import UserProfile
-from django.db.models import Q
 
 
 class PlanType(DjangoObjectType):
diff --git a/recommendation/migrations/0001_initial.py b/recommendation/migrations/0001_initial.py
index 5d83ff0..a69541a 100644
--- a/recommendation/migrations/0001_initial.py
+++ b/recommendation/migrations/0001_initial.py
@@ -1,7 +1,7 @@
 # Generated by Django 3.1.4 on 2021-09-03 19:21
 
-from django.db import migrations, models
 import django.db.models.deletion
+from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
diff --git a/recommendation/models.py b/recommendation/models.py
index 9026bf7..8e7077b 100644
--- a/recommendation/models.py
+++ b/recommendation/models.py
@@ -1,4 +1,5 @@
 from django.db import models
+
 from plans.models import Plan
 from userprofiles.models import UserProfile
 
diff --git a/recommendation/utils.py b/recommendation/utils.py
index 71d88eb..371c6d4 100644
--- a/recommendation/utils.py
+++ b/recommendation/utils.py
@@ -1,29 +1,24 @@
 """De momento este utils va a ser una forma de probar scripts. Ya lo cambiaré más adelanteG"""
 from datetime import date
 
-from deep_translator import GoogleTranslator
 from deep_translator.exceptions import NotValidPayload
 
-from plans.models import Plan
-from recommendation.models import Lemma
-from recommendation.models import UserDistance
-
-from userprofiles.models import UserProfile
 ### PLN ###
 
-import requests
-import numpy as np
-import emoji
-import regex
-import string
+
 import nltk
-from collections import Counter
 
-from nltk.corpus import stopwords
+from deep_translator import GoogleTranslator
+
 from nltk.corpus import words
-from nltk.tokenize import word_tokenize
 from nltk.stem import WordNetLemmatizer
-from nltk.corpus import wordnet as wn
+from nltk.tokenize import word_tokenize
+
+from plans.models import Plan
+
+### PLN ###
+from recommendation.models import Lemma, UserDistance
+from userprofiles.models import UserProfile
 
 
 def translate_all_plans():
diff --git a/userprofiles/migrations/0001_initial.py b/userprofiles/migrations/0001_initial.py
index 1779aeb..34e0de0 100644
--- a/userprofiles/migrations/0001_initial.py
+++ b/userprofiles/migrations/0001_initial.py
@@ -1,8 +1,8 @@
 # Generated by Django 3.1.4 on 2021-09-03 19:24
 
+import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
-import django.db.models.deletion
 
 
 class Migration(migrations.Migration):
diff --git a/userprofiles/schema.py b/userprofiles/schema.py
index e0188b7..b6b2567 100644
--- a/userprofiles/schema.py
+++ b/userprofiles/schema.py
@@ -1,8 +1,9 @@
-from userprofiles.models import UserProfile
-from django.contrib.auth import get_user_model
 import graphene
+from django.contrib.auth import get_user_model
 from graphene_django import DjangoObjectType
 
+from userprofiles.models import UserProfile
+
 
 class UserProfileType(DjangoObjectType):
     class Meta:
diff --git a/users/schema.py b/users/schema.py
index 72c2024..f216a2a 100644
--- a/users/schema.py
+++ b/users/schema.py
@@ -1,10 +1,10 @@
-from django.contrib.auth import get_user_model
-from userprofiles.schema import UserProfileType
-from userprofiles.models import UserProfile
-
 import graphene
+from django.contrib.auth import get_user_model
 from graphene_django import DjangoObjectType
 
+from userprofiles.models import UserProfile
+from userprofiles.schema import UserProfileType
+
 
 class UserType(DjangoObjectType):
     class Meta:
diff --git a/users/tests/__init__.py b/users/tests/__init__.py
new file mode 100644
index 0000000..e69de29