Replace tab characters with spaces on .py files.

diff --git a/apps/patchwork/forms.py b/apps/patchwork/forms.py
index 1c5aeef..4c811f5 100644
--- a/apps/patchwork/forms.py
+++ b/apps/patchwork/forms.py
@@ -45,9 +45,9 @@  class RegistrationForm(RegistrationFormUniqueEmail):
         user.last_name = self.cleaned_data.get('last_name', '')
         user.save()
 
-	# saving the userprofile causes the firstname/lastname to propagate
-	# to the person objects.
-	user.get_profile().save()
+        # saving the userprofile causes the firstname/lastname to propagate
+        # to the person objects.
+        user.get_profile().save()
 
         return user
 
diff --git a/apps/patchwork/tests/encodings.py b/apps/patchwork/tests/encodings.py
index 397b39b..b9032bb 100644
--- a/apps/patchwork/tests/encodings.py
+++ b/apps/patchwork/tests/encodings.py
@@ -69,9 +69,9 @@  class UTF8HeaderPatchViewTest(UTF8PatchViewTest):
 
     def setUp(self):
         defaults.project.save()
-	self.patch_author = Person(name = self.patch_author_name,
-			email = defaults.patch_author_person.email)
-	self.patch_author.save()
+        self.patch_author = Person(name = self.patch_author_name,
+            email = defaults.patch_author_person.email)
+        self.patch_author.save()
         self.patch_content = read_patch(self.patch_filename,
                 encoding = self.patch_encoding)
         self.patch = Patch(project = defaults.project,
diff --git a/apps/patchwork/tests/utils.py b/apps/patchwork/tests/utils.py
index a85e168..0c81824 100644
--- a/apps/patchwork/tests/utils.py
+++ b/apps/patchwork/tests/utils.py
@@ -40,7 +40,7 @@  class defaults(object):
 
     patch_author = 'Patch Author <patch-author@example.com>'
     patch_author_person = Person(name = 'Patch Author',
-				 email = 'patch-author@example.com')
+        email = 'patch-author@example.com')
 
     comment_author = 'Comment Author <comment-author@example.com>'
 
@@ -86,7 +86,7 @@  def find_in_context(context, key):
 def read_patch(filename, encoding = None):
     file_path = os.path.join(_test_patch_dir, filename)
     if encoding is not None:
-	f = codecs.open(file_path, encoding = encoding)
+        f = codecs.open(file_path, encoding = encoding)
     else:
         f = file(file_path)
 
diff --git a/apps/patchwork/views/bundle.py b/apps/patchwork/views/bundle.py
index fffa9ca..687c53d 100644
--- a/apps/patchwork/views/bundle.py
+++ b/apps/patchwork/views/bundle.py
@@ -109,17 +109,17 @@  def bundles(request):
     if request.method == 'POST':
         form_name = request.POST.get('form_name', '')
 
-	if form_name == DeleteBundleForm.name:
-	    form = DeleteBundleForm(request.POST)
-	    if form.is_valid():
-	        bundle = get_object_or_404(Bundle,
-				id = form.cleaned_data['bundle_id'])
-		bundle.delete()
+        if form_name == DeleteBundleForm.name:
+            form = DeleteBundleForm(request.POST)
+            if form.is_valid():
+                bundle = get_object_or_404(Bundle,
+                    id = form.cleaned_data['bundle_id'])
+            bundle.delete()
 
     bundles = Bundle.objects.filter(owner = request.user)
     for bundle in bundles:
         bundle.delete_form = DeleteBundleForm(auto_id = False,
-				initial = {'bundle_id': bundle.id})
+                initial = {'bundle_id': bundle.id})
 
     context['bundles'] = bundles
 
@@ -173,7 +173,7 @@  def mbox(request, bundle_id):
     bundle = get_object_or_404(Bundle, id = bundle_id)
     response = HttpResponse(mimetype='text/plain')
     response['Content-Disposition'] = 'attachment; filename=bundle-%d.mbox' % \
-	    bundle.id
+        bundle.id
     response.write(bundle.mbox())
     return response
 
diff --git a/apps/patchwork/views/xmlrpc.py b/apps/patchwork/views/xmlrpc.py
index 37b8eb4..1d9d389 100644
--- a/apps/patchwork/views/xmlrpc.py
+++ b/apps/patchwork/views/xmlrpc.py
@@ -56,14 +56,14 @@  class PatchworkXMLRPCDispatcher(SimpleXMLRPCDispatcher):
 
 
     def _user_for_request(self, request):
-	auth_header = None
+        auth_header = None
 
         if request.META.has_key('HTTP_AUTHORIZATION'):
-	    auth_header = request.META.get('HTTP_AUTHORIZATION')
+            auth_header = request.META.get('HTTP_AUTHORIZATION')
         elif request.META.has_key('Authorization'):
-	    auth_header = request.META.get('Authorization')
+            auth_header = request.META.get('Authorization')
 
-	if auth_header is None or auth_header == '':
+        if auth_header is None or auth_header == '':
             raise Exception("No authentication credentials given")
 
         str = auth_header.strip()