Fix some spaces in help messages

Fix some missing and not necessary trailing spaces in
the network v2 API files.  Also fixed one block indent
that was different from all its friends.

Trivialfix

Change-Id: Ic6491203c2fb9085543d69f0bb5f38e5a96039da

Author: Brian Haley

openstackclient/network/v2/port.py

@@ -259,7 +259,7 @@ def _add_updatable_args(parser):
                  'normal', 'baremetal', 'virtio-forwarder'],
         help=_("VNIC type for this port (direct | direct-physical | "
                "macvtap | normal | baremetal | virtio-forwarder, "
-               " default: normal)")
+               "default: normal)")
     )
     # NOTE(dtroyer): --host-id is deprecated in Mar 2016.  Do not
     #                remove before 3.x release or Mar 2017.
@@ -669,7 +669,7 @@ def get_parser(self, prog_name):
         parser.add_argument(
             '--no-binding-profile',
             action='store_true',
-            help=_("Clear existing information of binding:profile."
+            help=_("Clear existing information of binding:profile. "
                    "Specify both --binding-profile and --no-binding-profile "
                    "to overwrite the current binding:profile information.")
         )
@@ -723,9 +723,9 @@ def get_parser(self, prog_name):
             '--no-allowed-address',
             dest='no_allowed_address_pair',
             action='store_true',
-            help=_("Clear existing allowed-address pairs associated"
-                   "with this port."
-                   "(Specify both --allowed-address and --no-allowed-address"
+            help=_("Clear existing allowed-address pairs associated "
+                   "with this port. "
+                   "(Specify both --allowed-address and --no-allowed-address "
                    "to overwrite the current allowed-address pairs)")
         )
         parser.add_argument(
@@ -843,7 +843,7 @@ def get_parser(self, prog_name):
             '--binding-profile',
             metavar='<binding-profile-key>',
             action='append',
-            help=_("Desired key which should be removed from binding:profile"
+            help=_("Desired key which should be removed from binding:profile "
                    "(repeat option to unset multiple binding:profile data)"))
         parser.add_argument(
             '--security-group',
@@ -867,8 +867,8 @@ def get_parser(self, prog_name):
             required_keys=['ip-address'],
             optional_keys=['mac-address'],
             help=_("Desired allowed-address pair which should be removed "
-                   "from this port: ip-address=<ip-address> "
-                   "[,mac-address=<mac-address>] (repeat option to set "
+                   "from this port: ip-address=<ip-address>"
+                   "[,mac-address=<mac-address>] (repeat option to unset "
                    "multiple allowed-address pairs)")
         )
         parser.add_argument(

openstackclient/network/v2/router.py

@@ -611,10 +611,10 @@ def take_action(self, parsed_args):
         elif parsed_args.no_route or parsed_args.clear_routes:
             attrs['routes'] = []
         if (parsed_args.disable_snat or parsed_args.enable_snat or
-           parsed_args.fixed_ip) and not parsed_args.external_gateway:
-                msg = (_("You must specify '--external-gateway' in order"
-                         "to update the SNAT or fixed-ip values"))
-                raise exceptions.CommandError(msg)
+                parsed_args.fixed_ip) and not parsed_args.external_gateway:
+            msg = (_("You must specify '--external-gateway' in order "
+                     "to update the SNAT or fixed-ip values"))
+            raise exceptions.CommandError(msg)
         if parsed_args.external_gateway:
             gateway_info = {}
             network = client.find_network(