From d1dc0474664871c1dc097295d14ae56aac9d12ba Mon Sep 17 00:00:00 2001
From: whitequark <cz@m-labs.hk>
Date: Thu, 13 Dec 2018 02:20:00 +0000
Subject: [PATCH] tracer: add support for Python 3.7.

---
 nmigen/tracer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nmigen/tracer.py b/nmigen/tracer.py
index e3f9f93..c4c83d1 100644
--- a/nmigen/tracer.py
+++ b/nmigen/tracer.py
@@ -14,7 +14,7 @@ def get_var_name(depth=2):
     code = frame.f_code
     call_index = frame.f_lasti
     call_opc   = opname[code.co_code[call_index]]
-    if call_opc != "CALL_FUNCTION" and call_opc != "CALL_FUNCTION_KW":
+    if call_opc not in ("CALL_FUNCTION", "CALL_FUNCTION_KW", "CALL_FUNCTION_EX", "CALL_METHOD"):
         return None
 
     index = call_index + 2
-- 
2.30.2