Fix errors returned from travis job

1 files changed, 0 insertions, 4 deletions

diff --git a/combinable/combinable.php b/combinable/combinable.php
index e956073..ad4bfaf 100644
--- a/combinable/combinable.php
+++ b/combinable/combinable.php
@@ -129,12 +129,9 @@ class qtype_combined_combinable_algebra extends qtype_combined_combinable_text_e
             $variables['varmax'][] = $variable->max;
         }
         $data = parent::data_to_form($context, $fileoptions) + $answers + $variables;
-
-
         return $data;
     }
 
-
     public function validate() {
         $errors = array();
         // Regular expression string to match a number.
@@ -258,7 +255,6 @@ class qtype_combined_combinable_algebra extends qtype_combined_combinable_text_e
             $errors[$this->form_field_name('tolerance')] = get_string('toleranceltzero', 'qtype_algebra');
         }
 
-
         return $errors;
     }