views.module.txt

views$ git blame -L 1981,1989 views.module
2dd76fe0 (Earl Miles              2009-11-02 22:01:27 +0000 1981) function views_exposed_form($form, &$form_state) {
31dd0540 (The Great Git Migration 2009-10-05 22:49:04 +0000 1982)   // Don't show the form when batch operations are in progress.
4f09d3fd (Earl Miles              2010-10-14 20:04:09 +0000 1983)   if ($batch = batch_get() && isset($batch['current_set'])) {
31dd0540 (The Great Git Migration 2009-10-05 22:49:04 +0000 1984)     return array(
31dd0540 (The Great Git Migration 2009-10-05 22:49:04 +0000 1985)       // Set the theme callback to be nothing to avoid errors in template_preprocess_views_exposed_form().
31dd0540 (The Great Git Migration 2009-10-05 22:49:04 +0000 1986)       '#theme' => '',
31dd0540 (The Great Git Migration 2009-10-05 22:49:04 +0000 1987)     );
31dd0540 (The Great Git Migration 2009-10-05 22:49:04 +0000 1988)   }
31dd0540 (The Great Git Migration 2009-10-05 22:49:04 +0000 1989) 

from http://cgit.drupalcode.org/views/commit/?id=31dd0540

+function views_exposed_form(&$form_state) {
+  // Don't show the form when batch operations are in progress.
+  $batch =& batch_get();
+  if (!empty($batch)) {
+    return array(
+      // Set the theme callback to be nothing to avoid errors in template_preprocess_views_exposed_form().
+      '#theme' => '',
+    );
+  }