Index: head/devel/py-aiorpcX/Makefile
===================================================================
--- head/devel/py-aiorpcX/Makefile	(revision 501591)
+++ head/devel/py-aiorpcX/Makefile	(revision 501592)
@@ -1,24 +1,26 @@
 # Created by: Emanuel Haupt <ehaupt@FreeBSD.org>
 # $FreeBSD$
 
+# WARNING: Do not upgrade to 0.18.0, this breaks finance/electrum
+
 PORTNAME=	aiorpcX
-PORTVERSION=	0.18.0
-PORTREVISION=	1
+PORTVERSION=	0.17.0
+PORTEPOCH=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	Generic async RPC implementation, including JSON-RPC
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}attrs>=0:devel/py-attrs@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}websockets>=0:devel/py-websockets@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/devel/py-aiorpcX/distinfo
===================================================================
--- head/devel/py-aiorpcX/distinfo	(revision 501591)
+++ head/devel/py-aiorpcX/distinfo	(revision 501592)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1557482666
-SHA256 (aiorpcX-0.18.0.tar.gz) = 93a5b0d2d638a89b5ebdcfa3864b149dbdc80c7a901bdba196932069860f509f
-SIZE (aiorpcX-0.18.0.tar.gz) = 27319
+TIMESTAMP = 1557775970
+SHA256 (aiorpcX-0.17.0.tar.gz) = 13ccc8361bc3049d649094b69aead6118f6deb5f1b88ad77211be85c4e2ed792
+SIZE (aiorpcX-0.17.0.tar.gz) = 26346