1 files changed, 4 insertions, 6 deletions
diff --git a/tools/functions.py b/tools/functions.py
index c0d1e5f7..d35f1f84 100644
--- a/tools/functions.py
+++ b/tools/functions.py
@@ -190,17 +190,15 @@ def filter_output(output, regex):
     """
     result = []
     if isinstance(output, str):
-        for line in output.split('\n'):
+        for line in output.splitlines():
             result += re.findall(regex, line)
-        return result
-    elif isinstance(output, list) or isinstance(output, tuple):
-        tmp_res = []
+    elif isinstance(output, (list, tuple)):
         for item in output:
-            tmp_res.append(filter_output(item, regex))
-        return tmp_res
+            result.append(filter_output(item, regex))
     else:
         raise RuntimeError('Only strings and lists are supported by filter_output(), '
                            'but output has type {}'.format(type(output)))
+    return result
 
 def format_description(desc, length):
     """ Split description into multiple lines based on given line length.