diff --git a/.prospector.yaml b/.prospector.yaml
new file mode 100644
index 0000000..6414aca
--- /dev/null
+++ b/.prospector.yaml
@@ -0,0 +1,14 @@
+ignore-paths:
+  - docs
+  - axes/migrations
+
+pep8:
+  options:
+    max-line-length: 119
+
+pyflakes:
+  disable:
+    - F401
+
+dodgy:
+  run: false
diff --git a/axes/admin.py b/axes/admin.py
index c67b72c..42f7257 100644
--- a/axes/admin.py
+++ b/axes/admin.py
@@ -55,7 +55,7 @@ class AccessAttemptAdmin(admin.ModelAdmin):
         'failures_since_start'
     ]
 
-    def has_add_permission(self, request, obj=None):
+    def has_add_permission(self, request):
         return False
 
 admin.site.register(AccessAttempt, AccessAttemptAdmin)
@@ -106,7 +106,7 @@ class AccessLogAdmin(admin.ModelAdmin):
         'logout_time'
     ]
 
-    def has_add_permission(self, request, obj=None):
+    def has_add_permission(self, request):
         return False
 
 admin.site.register(AccessLog, AccessLogAdmin)
diff --git a/axes/apps.py b/axes/apps.py
index e850397..f4b641b 100644
--- a/axes/apps.py
+++ b/axes/apps.py
@@ -20,7 +20,8 @@ class AppConfig(apps.AppConfig):
         from django.contrib.auth.views import LoginView
         from django.utils.decorators import method_decorator
 
-        from axes import signals
+        from axes import signals  # pylint: disable=unused-import,unused-variable
+
         from axes.decorators import axes_dispatch
         from axes.decorators import axes_form_invalid
 
diff --git a/axes/decorators.py b/axes/decorators.py
index 69dced5..51daa77 100644
--- a/axes/decorators.py
+++ b/axes/decorators.py
@@ -77,7 +77,4 @@ def lockout_response(request):
     elif settings.AXES_LOCKOUT_URL:
         return HttpResponseRedirect(settings.AXES_LOCKOUT_URL)
 
-    else:
-        msg = get_lockout_message()
-
-        return HttpResponse(msg, status=403)
+    return HttpResponse(get_lockout_message(), status=403)
diff --git a/axes/utils.py b/axes/utils.py
index 29bb3ed..69c08d8 100644
--- a/axes/utils.py
+++ b/axes/utils.py
@@ -1,12 +1,13 @@
 from __future__ import unicode_literals
 
-from platform import python_version
-from sys import platform
-if python_version() < '3.4' and platform == 'win32':
-    import win_inet_pton
-from socket import inet_pton, AF_INET6, error
+try:
+    import win_inet_pton  # pylint: disable=unused-import
+except ImportError:
+    pass
 
-from django.core.cache import cache, caches
+from socket import error, inet_pton, AF_INET6
+
+from django.core.cache import caches
 from django.utils import six
 
 import ipware.ip2
@@ -116,5 +117,4 @@ def iso8601(timestamp):
 def get_lockout_message():
     if settings.AXES_COOLOFF_TIME:
         return settings.AXES_COOLOFF_MESSAGE
-    else:
-        return settings.AXES_PERMALOCK_MESSAGE
+    return settings.AXES_PERMALOCK_MESSAGE
diff --git a/requirements.txt b/requirements.txt
index 908d475..82c4bd2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
-Django
+django
+prospector
 sphinx-rtd-theme
 -e .
diff --git a/tox.ini b/tox.ini
index ef5778f..36d3ca5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,13 +6,14 @@ envlist =
 
 [testenv]
 deps =
-    py27: mock
+    coveralls
     django-appconf
     django-ipware
-    coveralls
-    django-111: Django>=1.11,<2.0
-    django-20: Django>=2.0,<2.1
+    django-111: django>=1.11,<2.0
+    django-20: django>=2.0,<2.1
     django-master: https://github.com/django/django/archive/master.tar.gz
+    prospector
+    py27: mock
 usedevelop = True
 ignore_outcome =
     django-master: True
@@ -20,5 +21,6 @@ commands =
     coverage run -a --source=axes runtests.py -v2
     coverage run -a --source=axes runtests.py -v2 cache
     coverage report
+    prospector --zero-exit
 setenv =
     PYTHONDONTWRITEBYTECODE=1