additional typecheck on mt

1 files changed, 2 insertions, 1 deletions

diff --git a/init.lua b/init.lua
index f928cb5..978a4af 100644
--- a/init.lua
+++ b/init.lua
@@ -163,7 +163,8 @@ function torch.isTypeOf(obj, typeSpec)
 
    local mt = getmetatable(obj)
    while mt do
-      if mt.__typename and matchFunc(mt.__typename, typeSpec) then
+      if type(mt) == 'table' and mt.__typename
+      and matchFunc(mt.__typename, typeSpec) then
          return true
       end
       mt = getmetatable(mt)