diff --git a/srcpkgs/python3-jsonrpc-server/patches/python-3.8.patch b/srcpkgs/python3-jsonrpc-server/patches/python-3.8.patch
new file mode 100644
index 00000000000..67d130ebccb
--- /dev/null
+++ b/srcpkgs/python3-jsonrpc-server/patches/python-3.8.patch
@@ -0,0 +1,60 @@
+diff -uprb python-jsonrpc-server-0.2.0.orig/pyls_jsonrpc/endpoint.py python-jsonrpc-server-0.2.0/pyls_jsonrpc/endpoint.py
+--- python-jsonrpc-server-0.2.0.orig/pyls_jsonrpc/endpoint.py	2019-06-27 18:42:22.000000000 +0300
++++ python-jsonrpc-server-0.2.0/pyls_jsonrpc/endpoint.py	2019-11-02 23:24:59.407851208 +0200
+@@ -98,7 +98,7 @@ class Endpoint(object):
+             message (dict): The JSON RPC message sent by the client
+         """
+         if 'jsonrpc' not in message or message['jsonrpc'] != JSONRPC_VERSION:
+-            log.warn("Unknown message type %s", message)
++            log.warning("Unknown message type %s", message)
+             return
+ 
+         if 'id' not in message:
+@@ -135,7 +135,7 @@ class Endpoint(object):
+         try:
+             handler = self._dispatcher[method]
+         except KeyError:
+-            log.warn("Ignoring notification for unknown method %s", method)
++            log.warning("Ignoring notification for unknown method %s", method)
+             return
+ 
+         try:
+@@ -165,7 +165,7 @@ class Endpoint(object):
+         request_future = self._client_request_futures.pop(msg_id, None)
+ 
+         if not request_future:
+-            log.warn("Received cancel notification for unknown message id %s", msg_id)
++            log.warning("Received cancel notification for unknown message id %s", msg_id)
+             return
+ 
+         # Will only work if the request hasn't started executing
+@@ -230,12 +230,13 @@ class Endpoint(object):
+         request_future = self._server_request_futures.pop(msg_id, None)
+ 
+         if not request_future:
+-            log.warn("Received response to unknown message id %s", msg_id)
++            log.warning("Received response to unknown message id %s", msg_id)
+             return
+ 
+         if error is not None:
+             log.debug("Received error response to message %s: %s", msg_id, error)
+             request_future.set_exception(JsonRpcException.from_dict(error))
++            return
+ 
+         log.debug("Received result for message %s: %s", msg_id, result)
+         request_future.set_result(result)
+diff -uprb python-jsonrpc-server-0.2.0.orig/test/test_endpoint.py python-jsonrpc-server-0.2.0/test/test_endpoint.py
+--- python-jsonrpc-server-0.2.0.orig/test/test_endpoint.py	2019-06-27 18:42:22.000000000 +0300
++++ python-jsonrpc-server-0.2.0/test/test_endpoint.py	2019-11-02 23:24:21.033838729 +0200
+@@ -115,9 +115,9 @@ def test_request_cancel(endpoint, consum
+         'params': {'id': MSG_ID}
+     })
+ 
+-    with pytest.raises(exceptions.JsonRpcException) as exc_info:
++    with pytest.raises((exceptions.JsonRpcException, futures.CancelledError)) as exc_info:
+         assert future.result(timeout=2)
+-    assert exc_info.type == exceptions.JsonRpcRequestCancelled
++    assert exc_info.type in (exceptions.JsonRpcRequestCancelled, futures.CancelledError)
+ 
+ 
+ def test_consume_notification(endpoint, dispatcher):
diff --git a/srcpkgs/python3-jsonrpc-server/template b/srcpkgs/python3-jsonrpc-server/template
new file mode 100644
index 00000000000..80d8ec6b39e
--- /dev/null
+++ b/srcpkgs/python3-jsonrpc-server/template
@@ -0,0 +1,20 @@
+# Template file for 'python3-jsonrpc-server'
+pkgname=python3-jsonrpc-server
+version=0.3.2
+revision=1
+archs=noarch
+wrksrc="${pkgname/3}-${version}"
+build_style=python3-module
+hostmakedepends="python3-setuptools"
+depends="python3-future python3-ultrajson"
+short_desc="Python library implementing asynchronous JSON RPC server"
+maintainer="k4leg <d0xi@inbox.ru>"
+license="MIT"
+homepage="https://github.com/palantir/python-jsonrpc-server"
+distfiles="${PYPI_SITE}/p/${pkgname/3}/${pkgname/3}-${version}.tar.gz"
+checksum=05bcf26eac4c98c96afec266acdf563d8f454e12612da9a3f9aabb66c46daf35
+patch_args="-Np1"
+
+post_install() {
+	vlicense LICENSE
+}