diff --git a/biscuit/core/mixins.py b/biscuit/core/mixins.py
index 281d2c3725e1824d0ce1a2a34a644e8c4a407698..024dd4870d076da301dd3c51be1a0e603e399144 100644
--- a/biscuit/core/mixins.py
+++ b/biscuit/core/mixins.py
@@ -16,13 +16,13 @@ class ExtensibleModel(object):
     in every app is executed. All code that shall be injected into a model goes there.
 
     :Example:
-    
+
     .. code-block:: python
 
        from datetime import date, timedelta
 
        from biscuit.core.models import Person
-       
+
        @Person.property
        def is_cool(self) -> bool:
            return True
diff --git a/biscuit/core/templatetags/data_helpers.py b/biscuit/core/templatetags/data_helpers.py
index 89b4e28fa8ad9eca96fc6cb0c8bd5485a8169667..66b41efd37e7ddbae179dd2d6dfef619f0ff3c98 100644
--- a/biscuit/core/templatetags/data_helpers.py
+++ b/biscuit/core/templatetags/data_helpers.py
@@ -1,4 +1,4 @@
-from typing import Dict, Any
+from typing import Any
 
 from django import template
 
diff --git a/biscuit/core/util/core_helpers.py b/biscuit/core/util/core_helpers.py
index a81776fdb12d9eb26bfa949dc8f508f3d2fa55d5..bf19da058ae245bf4e9f47247c40786ab1d2d761 100644
--- a/biscuit/core/util/core_helpers.py
+++ b/biscuit/core/util/core_helpers.py
@@ -1,6 +1,6 @@
 from importlib import import_module
 import pkgutil
-from typing import Optional, Sequence
+from typing import Sequence
 
 from django.http import HttpRequest
 
diff --git a/biscuit/core/views.py b/biscuit/core/views.py
index d2bfa9c91d0597b99c979b4649d2f05da055e2bc..a32b9abe19b3131304c0a568d643a8336acd70d1 100644
--- a/biscuit/core/views.py
+++ b/biscuit/core/views.py
@@ -1,5 +1,4 @@
-import requests
-from typing import Callable, Optional
+from typing import Optional
 
 from django.contrib.auth.decorators import login_required
 from django.http import Http404, HttpRequest, HttpResponse