var golang.org/x/pkgsite/internal/derrors.ProxyError

4 uses

	golang.org/x/pkgsite/internal/derrors (current package)
		derrors.go#L65: 	ProxyError = errors.New("proxy error")
		derrors.go#L133: 	{ProxyError, 551},    // not a real code

	golang.org/x/pkgsite/internal/middleware
		errorreporting.go#L40: 			if w2.status == derrors.ToStatus(derrors.ProxyError) {

	golang.org/x/pkgsite/internal/proxy
		client.go#L275: 		return derrors.ProxyError

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