diff --git a/apps/registration/models.py b/apps/registration/models.py
index e5fa3da..f7abe84 100644
--- a/apps/registration/models.py
+++ b/apps/registration/models.py
@@ -1,5 +1,3 @@
-from django.core.exceptions import ValidationError
-
 from corres2math.tokens import email_validation_token
 from django.contrib.sites.models import Site
 from django.db import models
diff --git a/apps/registration/views.py b/apps/registration/views.py
index 4877427..0b8a2d6 100644
--- a/apps/registration/views.py
+++ b/apps/registration/views.py
@@ -1,21 +1,18 @@
-import mimetypes
 import os
 
-from django.http import Http404, HttpResponse, FileResponse
-from django.views.generic.base import View
-from magic import Magic
-
 from corres2math.tokens import email_validation_token
 from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
 from django.db import transaction
+from django.http import FileResponse, Http404
 from django.shortcuts import redirect, resolve_url
 from django.urls import reverse_lazy
 from django.utils.http import urlsafe_base64_decode
 from django.utils.translation import gettext_lazy as _
-from django.views.generic import CreateView, DetailView, RedirectView, TemplateView, UpdateView
+from django.views.generic import CreateView, DetailView, RedirectView, TemplateView, UpdateView, View
+from magic import Magic
 
 from .forms import CoachRegistrationForm, PhotoAuthorizationForm, SignupForm, StudentRegistrationForm, UserForm
 from .models import StudentRegistration