trivial: Use implicit string concatenation

While pycodestyle's W504 ("line break after binary operator") error was
recently disabled, it did highlight a number of areas where explicit
string concatenation was being used despite it not be necessary. Fix
these while we're aware of them.

[1] http://pycodestyle.pycqa.org/en/latest/intro.html#error-codes

Signed-off-by: Stephen Finucane <stephen@that.guru>

4 files changed, 8 insertions, 8 deletions

diff --git a/patchwork/filters.py b/patchwork/filters.py
index 9900307..79aaea4 100644
--- a/patchwork/filters.py
+++ b/patchwork/filters.py
@@ -112,8 +112,8 @@ class SeriesFilter(Filter):
 
     @property
     def form(self):
-        return mark_safe(('<input type="text" name="series" ' +
-                          'id="series_input" class="form-control">'))
+        return mark_safe('<input type="text" name="series" '
+                         'id="series_input" class="form-control">')
 
 
 class SubmitterFilter(Filter):
@@ -178,8 +178,8 @@ class SubmitterFilter(Filter):
 
     @property
     def form(self):
-        return mark_safe(('<input type="text" name="submitter" ' +
-                          'id="submitter_input" class="form-control">'))
+        return mark_safe('<input type="text" name="submitter" '
+                         'id="submitter_input" class="form-control">')
 
 
 class StateFilter(Filter):
diff --git a/patchwork/forms.py b/patchwork/forms.py
index f112dcc..5d4c920 100644
--- a/patchwork/forms.py
+++ b/patchwork/forms.py
@@ -29,7 +29,7 @@ class RegistrationForm(forms.Form):
             User.objects.get(username__iexact=value)
         except User.DoesNotExist:
             return self.cleaned_data['username']
-        raise forms.ValidationError('This username is already taken. ' +
+        raise forms.ValidationError('This username is already taken. '
                                     'Please choose another.')
 
     def clean_email(self):
@@ -38,7 +38,7 @@ class RegistrationForm(forms.Form):
             user = User.objects.get(email__iexact=value)
         except User.DoesNotExist:
             return self.cleaned_data['email']
-        raise forms.ValidationError('This email address is already in use ' +
+        raise forms.ValidationError('This email address is already in use '
                                     'for the account "%s".\n' % user.username)
 
     def clean(self):
diff --git a/patchwork/parser.py b/patchwork/parser.py
index bc9dae2..6b7189c 100644
--- a/patchwork/parser.py
+++ b/patchwork/parser.py
@@ -867,7 +867,7 @@ def parse_patch(content):
 
 
 def parse_pull_request(content):
-    git_re = re.compile(r'^The following changes since commit.*' +
+    git_re = re.compile(r'^The following changes since commit.*'
                         r'^are available in the git repository at:\n'
                         r'^\s*([\S]+://[^\n]+)$',
                         re.DOTALL | re.MULTILINE | re.IGNORECASE)
diff --git a/patchwork/tests/test_updates.py b/patchwork/tests/test_updates.py
index e136aee..a554e38 100644
--- a/patchwork/tests/test_updates.py
+++ b/patchwork/tests/test_updates.py
@@ -97,7 +97,7 @@ class MultipleUpdateTest(TestCase):
         new_states = [Patch.objects.get(pk=p.pk).state for p in self.patches]
         self.assertEqual(new_states, orig_states)
         self.assertFormError(response, 'patchform', 'state',
-                             'Select a valid choice. That choice is not one ' +
+                             'Select a valid choice. That choice is not one '
                              'of the available choices.')
 
     def _test_delegate_change(self, delegate_str):