From a6e50572e0f695718ce621bdc8a18a6b739709fa Mon Sep 17 00:00:00 2001
From: Yorwba <yorwb4@gmail.com>
Date: Sun, 8 Apr 2018 22:37:12 +0800
Subject: [PATCH] Fix check for bound methods on falsy objects.

---
 byterun/pyvm2.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/byterun/pyvm2.py b/byterun/pyvm2.py
index 394e2e0b..2855df88 100644
--- a/byterun/pyvm2.py
+++ b/byterun/pyvm2.py
@@ -950,7 +950,7 @@ def call_function(self, arg, args, kwargs):
         frame = self.frame
         if hasattr(func, 'im_func'):
             # Methods get self as an implicit first parameter.
-            if func.im_self:
+            if func.im_self is not None:
                 posargs.insert(0, func.im_self)
             # The first parameter must be the correct type.
             if not isinstance(posargs[0], func.im_class):