diff --git a/beat/web/team/admin.py b/beat/web/team/admin.py
index 4e981c665c263a0ed01ec24e74f17cfb687477dc..138318f65a444574bab354404137a7fcf060b70b 100644
--- a/beat/web/team/admin.py
+++ b/beat/web/team/admin.py
@@ -29,7 +29,9 @@ from django.contrib import admin
 
 from .models import Team
 
+
 class TeamAdmin(admin.ModelAdmin):
-    filter_horizontal = ['members']
+    filter_horizontal = ["members"]
+
 
 admin.site.register(Team, TeamAdmin)
diff --git a/beat/web/team/api.py b/beat/web/team/api.py
index 6570ec26f45c6265b8953be8ca278deb86292a61..a24ef2cfec5056d9c27223aeaf8848eac1f42acc 100644
--- a/beat/web/team/api.py
+++ b/beat/web/team/api.py
@@ -26,24 +26,22 @@
 ###############################################################################
 
 from django.contrib.auth.models import User
-from django.shortcuts import get_object_or_404
 from django.db.models import Q
-
+from django.shortcuts import get_object_or_404
+from rest_framework import exceptions as drf_exceptions
 from rest_framework import generics
 from rest_framework import permissions
 from rest_framework.response import Response
 from rest_framework.reverse import reverse
-from rest_framework import exceptions as drf_exceptions
 
+from ..common.mixins import CommonContextMixin
+from .models import Team
+from .permissions import HasPrivacyLevel
+from .permissions import IsOwner
 from .serializers import FullTeamSerializer
 from .serializers import SimpleTeamSerializer
 from .serializers import TeamCreationSerializer
 from .serializers import TeamUpdateSerializer
-from .models import Team
-from .permissions import IsOwner, HasPrivacyLevel
-
-from ..common.mixins import CommonContextMixin
-
 
 # ----------------------------------------------------------
 
diff --git a/beat/web/team/apps.py b/beat/web/team/apps.py
index dcd09cd58ec9f6e4b48467821a583713031423a5..ee11c250e2f8a5848592730ac8cc084214247484 100644
--- a/beat/web/team/apps.py
+++ b/beat/web/team/apps.py
@@ -25,15 +25,19 @@
 #                                                                             #
 ###############################################################################
 
-from ..common.apps import CommonAppConfig
 from django.utils.translation import ugettext_lazy as _
 
+from ..common.apps import CommonAppConfig
+
+
 class TeamConfig(CommonAppConfig):
-    name = 'beat.web.team'
-    verbose_name = _('Team')
+    name = "beat.web.team"
+    verbose_name = _("Team")
 
     def ready(self):
         super(TeamConfig, self).ready()
-        from .signals.handlers import on_added_to_team
         from actstream import registry
-        registry.register(self.get_model('Team'))
+
+        from .signals.handlers import on_added_to_team  # noqa: F401
+
+        registry.register(self.get_model("Team"))
diff --git a/beat/web/team/models.py b/beat/web/team/models.py
index de4b749a6cd856ea28403fd106cf888b84870fc1..f17404cd49160d5a6a63d941fb68d04849b988fa 100644
--- a/beat/web/team/models.py
+++ b/beat/web/team/models.py
@@ -25,10 +25,10 @@
 #                                                                             #
 ###############################################################################
 
+from django.contrib.auth.models import User
 from django.db import models
 from django.db.models import Q
 from django.urls import reverse
-from django.contrib.auth.models import User
 from django.utils.translation import ugettext_lazy as _
 
 
diff --git a/beat/web/team/permissions.py b/beat/web/team/permissions.py
index 47871a4e2ce68c5cb7f908209f56565dd8604f2d..33de083684b0cd34f38013804b05330cacf36542 100644
--- a/beat/web/team/permissions.py
+++ b/beat/web/team/permissions.py
@@ -29,6 +29,7 @@ from rest_framework import permissions
 
 from .models import Team
 
+
 class IsOwner(permissions.BasePermission):
     """
     The logged in user should also be the owner
@@ -37,6 +38,7 @@ class IsOwner(permissions.BasePermission):
     def has_object_permission(self, request, view, obj):
         return obj.owner == request.user
 
+
 class HasPrivacyLevel(permissions.BasePermission):
     """
     Check whether the user has enough rights to view the team
@@ -49,7 +51,9 @@ class HasPrivacyLevel(permissions.BasePermission):
         elif obj.privacy_level == Team.PRIVATE:
             return False
 
-        elif obj.privacy_level == Team.MEMBERS and obj.members.filter(username=request.user.username):
+        elif obj.privacy_level == Team.MEMBERS and obj.members.filter(
+            username=request.user.username
+        ):
             return True
 
         else:
diff --git a/beat/web/team/serializers.py b/beat/web/team/serializers.py
index 54d09f7532f298a9ca7d1ce94efdd01e1a1a71a3..8a6b1790253bf5a1c984b8aba9c7d2b7cb9e6699 100644
--- a/beat/web/team/serializers.py
+++ b/beat/web/team/serializers.py
@@ -26,16 +26,14 @@
 ###############################################################################
 
 from django.contrib.auth.models import User
-
-from rest_framework.reverse import reverse
 from rest_framework import serializers
+from rest_framework.reverse import reverse
 
 from ..common.models import Contribution
-
 from .models import Team
 from .signals import added_to_team
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class BasicTeamSerializer(serializers.ModelSerializer):
@@ -48,91 +46,92 @@ class BasicTeamSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Team
-        fields = ['short_description', 'is_owner', 'accessibility']
+        fields = ["short_description", "is_owner", "accessibility"]
 
     def get_name(self, obj):
         return obj.fullname()
 
     def get_is_owner(self, obj):
-        return (obj.owner == self.context.get('user'))
+        return obj.owner == self.context.get("user")
 
     def get_accessibility(self, obj):
         if obj.privacy_level == Team.PUBLIC:
-            return 'public'
+            return "public"
         elif obj.privacy_level == Team.MEMBERS:
-            return 'members'
+            return "members"
         else:
-            return 'private'
+            return "private"
 
     def get_members(self, obj):
         return map(lambda x: x.username, obj.members.iterator())
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class SimpleTeamSerializer(BasicTeamSerializer):
-
     class Meta(BasicTeamSerializer.Meta):
-        fields = ['name', 'short_description', 'is_owner', 'accessibility']
+        fields = ["name", "short_description", "is_owner", "accessibility"]
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class FullTeamSerializer(BasicTeamSerializer):
-
     class Meta(BasicTeamSerializer.Meta):
-        fields = ['name', 'short_description', 'is_owner', 'accessibility', 'members']
+        fields = ["name", "short_description", "is_owner", "accessibility", "members"]
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class CreatedTeamSerializer(BasicTeamSerializer):
     object_view = serializers.SerializerMethodField()
 
     class Meta(BasicTeamSerializer.Meta):
-        fields = ['name',  'short_description', 'accessibility', 'members', 'object_view']
+        fields = [
+            "name",
+            "short_description",
+            "accessibility",
+            "members",
+            "object_view",
+        ]
 
     def get_object_view(self, obj):
-        return reverse('teams:view', args=[obj.owner.username, obj.name])
+        return reverse("teams:view", args=[obj.owner.username, obj.name])
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class UpdatedTeamSerializer(BasicTeamSerializer):
-
     class Meta(BasicTeamSerializer.Meta):
-        fields = ['short_description', 'accessibility', 'members']
+        fields = ["short_description", "accessibility", "members"]
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class TeamCreationSerializer(serializers.ModelSerializer):
-    accessibility = serializers.CharField(source='privacy_level')
+    accessibility = serializers.CharField(source="privacy_level")
     members = serializers.ListField(child=serializers.CharField())
 
     class Meta:
         model = Team
-        fields = ['name', 'short_description', 'accessibility', 'members']
+        fields = ["name", "short_description", "accessibility", "members"]
 
     def create(self, validated_data):
-        members = validated_data['members']
-        del validated_data['members']
+        members = validated_data["members"]
+        del validated_data["members"]
 
-        team = None
-        try:
-            team = Team.objects.get(owner=self.context['request'].user, name=validated_data['name'])
-        except:
-            pass
+        if self.Meta.model.objects.filter(
+            owner=self.context["request"].user, name=validated_data["name"]
+        ).exists():
+            raise serializers.ValidationError("A team with this name already exists")
 
-        if team is not None:
-            raise serializers.ValidationError('A team with this name already exists')
-
-        team = self.Meta.model.objects.create(owner=self.context['request'].user, **validated_data)
+        team = self.Meta.model.objects.create(
+            owner=self.context["request"].user, **validated_data
+        )
 
         if members:
             for member in members:
@@ -142,14 +141,22 @@ class TeamCreationSerializer(serializers.ModelSerializer):
         return team
 
     def update(self, instance, validated_data):
-        instance.short_description = validated_data.get('short_description', instance.short_description)
-        instance.privacy_level     = validated_data.get('privacy_level', instance.privacy_level)
+        instance.short_description = validated_data.get(
+            "short_description", instance.short_description
+        )
+        instance.privacy_level = validated_data.get(
+            "privacy_level", instance.privacy_level
+        )
         instance.save()
 
-        members = validated_data.get('members', [])
+        members = validated_data.get("members", [])
 
-        members_to_remove = [user for user in instance.members.all() if user not in members]
-        members_to_add = [user for user in members if user not in instance.members.all()]
+        members_to_remove = [
+            user for user in instance.members.all() if user not in members
+        ]
+        members_to_add = [
+            user for user in members if user not in instance.members.all()
+        ]
 
         for user in members_to_remove:
             instance.members.remove(user)
@@ -166,9 +173,9 @@ class TeamCreationSerializer(serializers.ModelSerializer):
         return Contribution.sanitize_name(value)
 
     def validate_accessibility(self, value):
-        if value == 'public':
+        if value == "public":
             return Team.PUBLIC
-        elif value == 'members':
+        elif value == "members":
             return Team.MEMBERS
         else:
             return Team.PRIVATE
@@ -181,13 +188,12 @@ class TeamCreationSerializer(serializers.ModelSerializer):
         return serializer.data
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class TeamUpdateSerializer(TeamCreationSerializer):
-
     class Meta(TeamCreationSerializer.Meta):
-        fields = ['short_description', 'accessibility', 'members']
+        fields = ["short_description", "accessibility", "members"]
 
     def to_representation(self, obj):
         serializer = UpdatedTeamSerializer(obj)
diff --git a/beat/web/team/tests.py b/beat/web/team/tests.py
index 8492813715649a131d8b88fffdac6f31e929ccc1..bf2677acda937b3e5ae8289814a0bac334495108 100644
--- a/beat/web/team/tests.py
+++ b/beat/web/team/tests.py
@@ -25,25 +25,21 @@
 #                                                                             #
 ###############################################################################
 
+import json
 import os
 import shutil
-import json
 
+from django.conf import settings
+from django.contrib.auth.models import User
 from django.urls import reverse
 from rest_framework import status
 from rest_framework.test import APITestCase
 
-from django.contrib.auth.models import User
-from django.conf import settings
-
-
 from ..common.testutils import tearDownModule  # noqa test runner will call it
 from ..dataformats.models import DataFormat
-
 from .models import Team
 from .serializers import SimpleTeamSerializer
 
-
 # ----------------------------------------------------------
 
 
diff --git a/beat/web/team/views.py b/beat/web/team/views.py
index 0a1f685afea69ae6f61039e2e15e83c3609bf742..9a6e2d78c4669359397112dae4befa701b61c59d 100644
--- a/beat/web/team/views.py
+++ b/beat/web/team/views.py
@@ -26,16 +26,15 @@
 ###############################################################################
 
 from django.conf import settings
-from django.shortcuts import get_object_or_404
-from django.shortcuts import render
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.models import User
 from django.http import Http404
+from django.shortcuts import get_object_or_404
+from django.shortcuts import render
 
 from .models import Team
 
-
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 @login_required
@@ -45,14 +44,18 @@ def create(request):
     The user must be authenticated before it can add a new team
     """
 
-    return render(request,
-                  'team/edition.html',
-                  {
-                      'users': User.objects.exclude(username__in=settings.ACCOUNTS_TO_EXCLUDE_FROM_TEAMS).order_by('username'),
-                  })
+    return render(
+        request,
+        "team/edition.html",
+        {
+            "users": User.objects.exclude(
+                username__in=settings.ACCOUNTS_TO_EXCLUDE_FROM_TEAMS
+            ).order_by("username"),
+        },
+    )
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 @login_required
@@ -62,23 +65,27 @@ def edit(request, author_name, name):
     The user must be authenticated before it can edit a team
     """
 
-    if author_name != request.user.username: raise Http404()
+    if author_name != request.user.username:
+        raise Http404()
 
     # Retrieves the team
-    team = get_object_or_404(Team,
-                             owner__username__iexact=author_name,
-                             name__iexact=name
-            )
+    team = get_object_or_404(
+        Team, owner__username__iexact=author_name, name__iexact=name
+    )
 
-    return render(request,
-                  'team/edition.html',
-                  {
-                      'team': team,
-                      'users': User.objects.exclude(username__in=settings.ACCOUNTS_TO_EXCLUDE_FROM_TEAMS).order_by('username'),
-                  })
+    return render(
+        request,
+        "team/edition.html",
+        {
+            "team": team,
+            "users": User.objects.exclude(
+                username__in=settings.ACCOUNTS_TO_EXCLUDE_FROM_TEAMS
+            ).order_by("username"),
+        },
+    )
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 def view(request, author_name, name):
@@ -86,18 +93,17 @@ def view(request, author_name, name):
     """
     team = get_object_or_404(Team, name=name, owner__username=author_name)
 
-    return render(request,
-                  'team/team.html',
-                  {'team': team})
+    return render(request, "team/team.html", {"team": team})
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 def ls(request, author_name):
-    '''List all accessible teams to the request user'''
+    """List all accessible teams to the request user"""
 
-    if not author_name: return public_ls(request)
+    if not author_name:
+        return public_ls(request)
 
     author = get_object_or_404(User, username=author_name)
 
@@ -108,25 +114,25 @@ def ls(request, author_name):
     else:
         objects = Team.objects.for_user(request.user, True).filter(owner=author)
 
-    return render(request,
-                  'team/list.html',
-                  dict(
-                      objects=objects,
-                      author=author,
-                      owner=(request.user == author),
-                  ))
+    return render(
+        request,
+        "team/list.html",
+        dict(objects=objects, author=author, owner=(request.user == author),),
+    )
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 def public_ls(request):
-    '''List all accessible teams to the request user'''
-
-    return render(request,
-                  'team/list.html',
-                  dict(
-                      objects=Team.objects.public(),
-                      author=request.user, #anonymous
-                      owner=False,
-                  ))
+    """List all accessible teams to the request user"""
+
+    return render(
+        request,
+        "team/list.html",
+        dict(
+            objects=Team.objects.public(),
+            author=request.user,  # anonymous
+            owner=False,
+        ),
+    )