add nmigen/_toolchain/__init__ as toolchain.py to avoid depending on internal API

[nmutil.git] / src / nmutil / formaltest.py

diff --git a/src/nmutil/formaltest.py b/src/nmutil/formaltest.py
index 5defaaa9e5a596ba28f447b0d0c72d1596141c08..7244a3a3a50cdb3a64008a0a75a7bfbd53ad7dfa 100644 (file)
--- a/src/nmutil/formaltest.py
+++ b/src/nmutil/formaltest.py
@@ -6,7 +6,7 @@ import unittest
 from nmigen.hdl.ast import Statement
 from nmigen.hdl.ir import Fragment
 from nmigen.back import rtlil
-from nmigen._toolchain import require_tool
+from nmutil.toolchain import require_tool
 from nmutil.get_test_path import get_test_path