Enforce no mixed tabs and spaces

.eslintrc.js

@@ -79,7 +79,7 @@ module.exports = {
     ],
     'no-fallthrough': 'error',
     'no-irregular-whitespace': 'error',
-    'no-mixed-spaces-and-tabs': 'warn',
+    'no-mixed-spaces-and-tabs': 'error',
     'no-nested-ternary': 'warn',
     'no-trailing-spaces': 'warn',
     'no-undef': 'error',

app/gabsocial/pages/group_page.js

@@ -44,8 +44,8 @@ class GroupPage extends ImmutablePureComponent {
                 <div className='columns-area__panels__pane__inner'>
                   {group && relationships &&
                   <GroupPanel
-									  group={group}
-									  relationships={relationships}
+                    group={group}
+                    relationships={relationships}
                   />}
 
                   <PromoPanel />