diff --git a/.travis.yml b/.travis.yml
index c919443..382f077 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,55 +1,55 @@
-language: php
-
-addons:
-    apt:
-        packages:
-        - apache2
-        - postfix
-        - libapache2-mod-fastcgi
-        - libappindicator1
-        - fonts-liberation
-
-cache:
-  directories:
-    - $HOME/.composer/cache
-
-sudo: required
-dist: trusty
-
-php:
-    - "5.6"
-    - "7.1"
-    - "7.2"
-
-env:
-    global:
-        - SYMFONY_DEPRECATIONS_HELPER=disabled
-        - SYMFONY_PHPUNIT_VERSION=5.7
-        - MODULE_DIR=/tmp/gamification
-        - MODULE_SCRIPTS_DIR=/tmp/gamification/tools
-
-    matrix:
-        - PS_VERSION=1.7.4.x
-        - PS_VERSION=1.7.5.x
-        
-    allow_failures:
-        - php: 7.2       
-
-    fast_finish: true        
-
-before_script:
-    - ./tools/move_module.sh
-    - $MODULE_SCRIPTS_DIR/get_prestashop.sh
-    - $MODULE_SCRIPTS_DIR/install_webserver.sh
-    - $MODULE_SCRIPTS_DIR/start_prestashop.sh
-    - $MODULE_SCRIPTS_DIR/install_module.sh gamification
-    
-script: 
-    - cd $TRAVIS_BUILD_DIR/modules/gamification
-    - composer cs-fix-test
-    - composer test
-        
-notifications:
-  email:         
-    on_success: never
-    on_failure: always
+language: php
+
+addons:
+  apt:
+    packages:
+      - apache2
+      - postfix
+      - libapache2-mod-fastcgi
+      - libappindicator1
+      - fonts-liberation
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+sudo: required
+dist: trusty
+
+php:
+  - '5.6'
+  - '7.1'
+  - '7.2'
+
+env:
+  global:
+    - SYMFONY_DEPRECATIONS_HELPER=disabled
+    - SYMFONY_PHPUNIT_VERSION=5.7
+    - MODULE_DIR=/tmp/gamification
+    - MODULE_SCRIPTS_DIR=/tmp/gamification/tools
+
+  matrix:
+    - PS_VERSION=1.7.4.x
+    - PS_VERSION=1.7.5.x
+
+  allow_failures:
+    - php: 7.2
+
+  fast_finish: true
+
+before_script:
+  - ./tools/move_module.sh
+  - $MODULE_SCRIPTS_DIR/get_prestashop.sh
+  - $MODULE_SCRIPTS_DIR/install_webserver.sh
+  - $MODULE_SCRIPTS_DIR/start_prestashop.sh
+  - $MODULE_SCRIPTS_DIR/install_module.sh gamification
+
+script:
+  - cd $TRAVIS_BUILD_DIR/modules/gamification
+  - composer cs-fix-test
+  - composer test
+
+notifications:
+  email:
+    on_success: never
+    on_failure: always