From 3cb616fc6597783284e205b369b951a6a1ec4423 Mon Sep 17 00:00:00 2001
From: Romain Dorgueil <romain@dorgueil.net>
Date: Sat, 11 Aug 2018 07:41:01 +0200
Subject: [PATCH] smell: switch type check with isinstance

---
 bonobo/execution/contexts/node.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bonobo/execution/contexts/node.py b/bonobo/execution/contexts/node.py
index dfb2a1c..42fe811 100644
--- a/bonobo/execution/contexts/node.py
+++ b/bonobo/execution/contexts/node.py
@@ -177,7 +177,7 @@ class NodeExecutionContext(BaseContext, WithStatistics):
         if self._input_type is not None:
             raise RuntimeError('Cannot override input type, already have %r.', self._input_type)
 
-        if type(input_type) is not type:
+        if not isinstance(input_type, type):
             raise UnrecoverableTypeError('Input types must be regular python types.')
 
         if not issubclass(input_type, tuple):