Fixes the port for vnc (fixes jupyterhub#47)

Author: domna

jupyter_remote_desktop_proxy/__init__.py

@@ -55,10 +55,11 @@ def setup_desktop():
             os.path.join(HERE, 'share/web/noVNC-1.2.0'),
             '--heartbeat',
             '30',
-            '{port}',
+            '5901',
         ]
         + socket_args
         + ['--', '/bin/sh', '-c', f'cd {os.getcwd()} && {vnc_command}'],
+        'port': 5901,
         'timeout': 30,
         'mappath': {'/': '/vnc_lite.html'},
         'new_browser_window': True,