General: Add initial test.

1 files changed, 3 insertions, 1 deletions

diff --git a/pywal/util.py b/pywal/util.py
index bc385d9..67baa6a 100755
--- a/pywal/util.py
+++ b/pywal/util.py
@@ -8,7 +8,9 @@ import subprocess
 
 def read_file(input_file):
     """Read colors from a file."""
-    return open(input_file).read().splitlines()
+    with open(input_file) as file:
+        colors = file.read().splitlines()
+    return colors
 
 
 def save_file(colors, export_file):