diff --git a/dotdrop/utils.py b/dotdrop/utils.py
index 34deaeb..e48e7bc 100644
--- a/dotdrop/utils.py
+++ b/dotdrop/utils.py
@@ -19,7 +19,8 @@ def run(cmd, log=False, raw=True):
                          stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
     if raw:
         return p.stdout.readlines()
-    return ''.join([x.decode('utf-8', 'replace') for x in p.stdout.readlines()])
+    lines = [x.decode('utf-8', 'replace') for x in p.stdout.readlines()]
+    return ''.join(lines)
 
 
 def diff(src, dst, log=False, raw=True):