From 1424842fc4af4f1779579c6e6e514d5942adf1cc Mon Sep 17 00:00:00 2001
From: Ryan Ly <rly@lbl.gov>
Date: Tue, 19 Nov 2019 19:39:19 -0800
Subject: [PATCH] Fix wrong dict being used for get_carg_spec

---
 src/hdmf/build/map.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hdmf/build/map.py b/src/hdmf/build/map.py
index 2fb4e7487..5558acfa1 100644
--- a/src/hdmf/build/map.py
+++ b/src/hdmf/build/map.py
@@ -667,7 +667,7 @@ def get_attr_spec(self, **kwargs):
     def get_carg_spec(self, **kwargs):
         """ Return the Spec for a given constructor argument """
         carg_name = getargs('carg_name', kwargs)
-        return self.__attr2spec.get(carg_name)
+        return self.__carg2spec.get(carg_name)
 
     @docval({"name": "const_arg", "type": str, "doc": "the name of the constructor argument to map"},
             {"name": "spec", "type": Spec, "doc": "the spec to map the attribute to"})