From e8bba0a7d6cd425598b645575c20cdd210cdaa44 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Tue, 5 Jan 2016 04:21:46 +0000
Subject: [PATCH] Commit missing parts of 6a6d7d.

---
 artiq/compiler/transforms/inferencer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/compiler/transforms/inferencer.py b/artiq/compiler/transforms/inferencer.py
index 07ee75198..e2f9b5efd 100644
--- a/artiq/compiler/transforms/inferencer.py
+++ b/artiq/compiler/transforms/inferencer.py
@@ -1061,7 +1061,7 @@ class Inferencer(algorithm.Visitor):
                             node.optional_vars.loc, node.context_expr.loc,
                             makenotes=makenotes)
 
-        else:
+        elif not types.is_var(typ):
             diag = diagnostic.Diagnostic("error",
                 "value of type {type} cannot act as a context manager",
                 {"type": types.TypePrinter().name(typ)},