fix travis

.travis.yml

@@ -1,23 +1,37 @@
 language: php
+dist: trusty
 
-sudo: false
+branches:
+  only:
+    - master
+    - /[0-9]+\.[0-9]+\.[0-9]+/
+
+cache:
+  directories:
+    - $HOME/.composer/cache/
 
 php:
-- 5.6
-- 7.0
-- 7.1
-- 7.2
-- 7.3
-- 7.4
-
-env:
-  matrix:
-    - COMPOSER_FLAGS="--prefer-lowest"
-    - COMPOSER_FLAGS=""
+  - 5.6
+  - 7.0
+  - 7.1
+  - 7.2
+  - 7.3
+  - 7.4
+
+#env:
+#  matrix:
+#    - COMPOSER_FLAGS="--prefer-lowest"
+#    - COMPOSER_FLAGS=""
+
+install:
+  - travis_retry composer update --no-interaction --no-suggest --prefer-source
 
 before_script:
-  - travis_retry composer self-update
-  - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-source
+  - phpenv config-rm xdebug.ini || true
 
 script:
   - composer test
+
+#matrix:
+#  allow_failures:
+#    - php: nightly

src/Sav/Reader.php

@@ -6,7 +6,6 @@
 use SPSS\Sav\Record\Header;
 use SPSS\Sav\Record\Info;
 use SPSS\Sav\Record\ValueLabel;
-use SPSS\Sav\Record\Variable;
 use SPSS\Utils;
 
 class Reader
@@ -17,7 +16,7 @@ class Reader
     public $header;
 
     /**
-     * @var Variable[]
+     * @var Record\Variable[]
      */
     public $variables = [];