diff --git a/yandextank/core/resource.py b/yandextank/core/resource.py
index a433fee..d4d9707 100644
--- a/yandextank/core/resource.py
+++ b/yandextank/core/resource.py
@@ -73,7 +73,7 @@ class Opener(object):
             path: str, resource file url or resource file absolute/relative path.
 
         Returns:
-            object, to call for file open.
+            file object
         """
         self.path = path
         opener = None
@@ -86,7 +86,6 @@ class Opener(object):
             opener = FileOpener(self.path)
         return opener
 
-
 class FileOpener(object):
     """ File opener.
     """
@@ -367,3 +366,5 @@ class HttpStreamWrapper:
             return self.next()
         except StopIteration:
             return ''
+
+Opener = Opener()
diff --git a/yandextank/core/tankcore.py b/yandextank/core/tankcore.py
index f111069..6be3688 100644
--- a/yandextank/core/tankcore.py
+++ b/yandextank/core/tankcore.py
@@ -620,7 +620,7 @@ class ConfigManager(object):
         """         Read configs set into storage        """
         self.log.debug("Reading configs: %s", configs)
         for config in configs:
-            filename = Opener().resource_filename(config)
+            filename = Opener.resource_filename(config)
             configs.remove(config)
             configs.append(filename)
         try: