diff --git a/src/documents/mixins.py b/src/documents/mixins.py
index 740f9f232..d17275908 100644
--- a/src/documents/mixins.py
+++ b/src/documents/mixins.py
@@ -2,6 +2,7 @@ from django.contrib.auth.mixins import AccessMixin
 from django.contrib.auth import authenticate, login
 import base64
 
+
 class Renderable(object):
     """
     A handy mixin to make it easier/cleaner to print output based on a
@@ -12,41 +13,45 @@ class Renderable(object):
         if self.verbosity >= verbosity:
             print(text)
 
+
 class SessionOrBasicAuthMixin(AccessMixin):
-	"""
-	Session or Basic Authentication mixin for Django.
-	It determines if the requester is already logged in or if they have provided
-	proper http-authorization and returning the view if all goes well, otherwise
-	responding with a 401.
+    """
+    Session or Basic Authentication mixin for Django.
+    It determines if the requester is already logged in or if they have
+    provided proper http-authorization and returning the view if all goes
+    well, otherwise responding with a 401.
 
-	Base for mixin found here: https://djangosnippets.org/snippets/3073/
-	"""
+    Base for mixin found here: https://djangosnippets.org/snippets/3073/
+    """
 
-	def dispatch(self, request, *args, **kwargs):
+    def dispatch(self, request, *args, **kwargs):
 
-		# check if user is authenticated via the session
-		if request.user.is_authenticated:
+        # check if user is authenticated via the session
+        if request.user.is_authenticated:
 
-			# Already logged in, just return the view.
-			return super(SessionOrBasicAuthMixin, self).dispatch(
-				request, *args, **kwargs
-			)
+            # Already logged in, just return the view.
+            return super(SessionOrBasicAuthMixin, self).dispatch(
+                request, *args, **kwargs
+            )
 
-		# apparently not authenticated via session, maybe via HTTP Basic?
-		if 'HTTP_AUTHORIZATION' in request.META:
-			auth = request.META['HTTP_AUTHORIZATION'].split()
-			if len(auth) == 2:
-				# NOTE: Support for only basic authentication
-				if auth[0].lower() == "basic":
-					uname, passwd = base64.b64decode(auth[1]).decode('utf-8').split(':')
-					user = authenticate(username=uname, password=passwd)
-					if user is not None:
-						if user.is_active:
-							login(request, user)
-							request.user = user
-							return super(SessionOrBasicAuthMixin, self).dispatch(
-								request, *args, **kwargs
-							)
+        # apparently not authenticated via session, maybe via HTTP Basic?
+        if 'HTTP_AUTHORIZATION' in request.META:
+            auth = request.META['HTTP_AUTHORIZATION'].split()
+            if len(auth) == 2:
+                # NOTE: Support for only basic authentication
+                if auth[0].lower() == "basic":
+                    authString = base64.b64decode(auth[1]).decode('utf-8')
+                    uname, passwd = authString.split(':')
+                    user = authenticate(username=uname, password=passwd)
+                    if user is not None:
+                        if user.is_active:
+                            login(request, user)
+                            request.user = user
+                            return super(
+								SessionOrBasicAuthMixin, self
+							).dispatch(
+                                request, *args, **kwargs
+                            )
 
-		# nope, really not authenticated
-		return self.handle_no_permission()
+        # nope, really not authenticated
+        return self.handle_no_permission()