net-mgmt/py-ncclient: Update to 0.6.4

While I'm here:
* Pet portlint

Changelog:

* Pin selectors2 to Python versions <= 3.4 (and remove the now obsolete
  patch-requirements.txt)
* Fix config examples to actually use the nc namespace
* Fix: Correctly set port for paramiko when using ssh_config file
* Test: Add test to check ProxyCommand uses correct port
* Update commits for py3
* Enhance Alcatel-Lucent -support
* Juniper RPC: Allow specifying format in CompareConfiguration
* Parsing of NETCONF 1.1 frames no longer decodes each chunk of bytes...
* Fix filter in create_subscription
* Validate 'with-defaults' mode based on supported modes advertised in
  capability URI

PR:		237154
Submitted by:	Sergey Akhmatov (maintainer)
Approved by:	mentors (implicit)

net-mgmt/py-ncclient/Makefile

@@ -1,8 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	ncclient
-DISTVERSION=	0.6.3
-PORTREVISION=	1
+DISTVERSION=	0.6.4
 CATEGORIES=	net-mgmt python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -21,6 +20,7 @@ py27_RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}selectors2>=2.0.1:devel/py-selectors2@
 
 USES=		python
 USE_PYTHON=	distutils autoplist
+
 NO_ARCH=	yes
 
 .include <bsd.port.mk>

net-mgmt/py-ncclient/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1538043419
-SHA256 (ncclient-0.6.3.tar.gz) = 3ab58ee0d71069cb5b0e2f29a4e605d1d8417bd10af45b73ee3e817fe389fadc
-SIZE (ncclient-0.6.3.tar.gz) = 88022
+TIMESTAMP = 1554808082
+SHA256 (ncclient-0.6.4.tar.gz) = 47d5af7398f16d609eebd02be2ecbd997b364032b5dc6d4927c810ea24f39080
+SIZE (ncclient-0.6.4.tar.gz) = 88691

net-mgmt/py-ncclient/files/patch-requirements.txt

@@ -1,9 +0,0 @@
---- requirements.txt.orig	2018-08-17 17:52:37 UTC
-+++ requirements.txt
-@@ -1,5 +1,5 @@
- setuptools>0.6
- paramiko>=1.15.0
- lxml>=3.3.0
--selectors2>=2.0.1
-+selectors2>=2.0.1; python_version <= '3.4'
- six