diff --git a/tester.py b/tester.py
index 933a8b6a734e6578332abaf3487c2fe803d11251..bdb2db922134e5170421a5a49cc0cc4a6cd10078 100755
--- a/tester.py
+++ b/tester.py
@@ -153,10 +153,18 @@ class Tester():
             content = fo.read()
         description = ''
         if path.endswith('.py'):
-            start = content.find('\'\'\'')
+            start = (
+                content.find('\'\'\'')
+                if content.find('\'\'\'') != -1
+                else content.find('"""')
+            )
             if start > 0:
                 start += 3
-                end = content.find('\'\'\'', start)
+                end = (
+                    content.find('\'\'\'', start)
+                    if content.find('\'\'\'', start) != -1
+                    else content.find('"""', start)
+                )
                 if end > 0:
                     description = content[start:end]
         else: