vendorify
diff --git a/go/vendor/github.com/go-openapi/errors/go.sum b/go/vendor/github.com/go-openapi/errors/go.sum
new file mode 100644
index 0000000..2d048b6
--- /dev/null
+++ b/go/vendor/github.com/go-openapi/errors/go.sum
@@ -0,0 +1,5 @@
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+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=