diff -r bcbd41efd846 -r 0d32b17f15b9 connectors/PYRO/__init__.py
--- a/connectors/PYRO/__init__.py	Fri Apr 20 11:21:20 2018 +0200
+++ b/connectors/PYRO/__init__.py	Wed May 09 11:16:27 2018 +0200
@@ -36,9 +36,14 @@
 import Pyro.util
 from Pyro.errors import PyroError
 
-import wx
-from controls.UriLocationEditor import IConnectorPanel
-from zope.interface import implementer
+try:
+    import wx
+    isWx = True
+except ImportError:
+    isWx = False
+else:
+    from controls.UriLocationEditor import IConnectorPanel
+    from zope.interface import implementer
 
 service_type = '_PYRO._tcp.local.'
 # this module attribute contains a list of DNS-SD (Zeroconf) service types
@@ -210,55 +215,55 @@
 
     return PyroProxyProxy()
 
-
-def PYRO_connector_dialog(confnodesroot):
-    [ID_IPTEXT, ID_PORTTEXT] = [wx.NewId() for _init_ctrls in range(2)]
-
-
-    @implementer(IConnectorPanel)
-    class PYROConnectorPanel(wx.Panel):
-        def __init__(self, typeConnector, parrent, *args, **kwargs):
-            self.type = typeConnector
-            self.parrent = parrent
-            wx.Panel.__init__(self, parrent, *args, **kwargs)
-            self._init_ctrls()
-            self._init_sizers()
-            self.uri = None
-
-        def _init_ctrls(self):
-            self.IpText = wx.TextCtrl(parent=self, id=ID_IPTEXT, size = wx.Size(200, -1))
-            self.PortText = wx.TextCtrl(parent=self, id=ID_PORTTEXT, size = wx.Size(200, -1))
-
-        def _init_sizers(self):
-            self.mainSizer = wx.BoxSizer(wx.VERTICAL)
-            self.uriSizer = wx.BoxSizer(wx.HORIZONTAL)
-            self.portSizer = wx.BoxSizer(wx.HORIZONTAL)
-
-            self.uriSizer.Add(wx.StaticText(self, wx.ID_ANY, "URI host:", size = wx.Size(70, -1)), proportion=0, flag=wx.ALIGN_CENTER_VERTICAL)
-            self.uriSizer.AddSpacer((0,0))
-            self.uriSizer.Add(self.IpText, proportion=1, flag=wx.ALIGN_RIGHT)
-            self.mainSizer.Add(self.uriSizer, border=2, flag=wx.ALL)
-
-            self.portSizer.Add(wx.StaticText(self, wx.ID_ANY, "URI port:", size = wx.Size(70, -1)), proportion=0, flag=wx.ALIGN_CENTER_VERTICAL)
-            self.portSizer.AddSpacer((0,0))
-            self.portSizer.Add(self.PortText, proportion=1, flag=wx.ALIGN_RIGHT)
-            self.mainSizer.Add(self.portSizer, border=2, flag=wx.ALL)
-
-            self.SetSizer(self.mainSizer)
-
-        def SetURI(self, uri):
-            self.uri = uri
-            uri_list = uri.strip().split(":")
-            length = len(uri_list)
-            if length == 3:
-                self.IpText.SetValue(uri_list[1].strip("/"))
-                self.PortText.SetValue(uri_list[2])
-            elif length == 2:
-                self.IpText.SetValue(uri_list[1].strip("/"))
-
-
-        def GetURI(self):
-            self.uri = self.type+"://"+self.IpText.GetValue()+":"+self.PortText.GetValue()
-            return self.uri
-
-    return PYROConnectorPanel("PYRO", confnodesroot)
+if isWx:
+    def PYRO_connector_dialog(confnodesroot):
+        [ID_IPTEXT, ID_PORTTEXT] = [wx.NewId() for _init_ctrls in range(2)]
+
+
+        @implementer(IConnectorPanel)
+        class PYROConnectorPanel(wx.Panel):
+            def __init__(self, typeConnector, parrent, *args, **kwargs):
+                self.type = typeConnector
+                self.parrent = parrent
+                wx.Panel.__init__(self, parrent, *args, **kwargs)
+                self._init_ctrls()
+                self._init_sizers()
+                self.uri = None
+
+            def _init_ctrls(self):
+                self.IpText = wx.TextCtrl(parent=self, id=ID_IPTEXT, size = wx.Size(200, -1))
+                self.PortText = wx.TextCtrl(parent=self, id=ID_PORTTEXT, size = wx.Size(200, -1))
+
+            def _init_sizers(self):
+                self.mainSizer = wx.BoxSizer(wx.VERTICAL)
+                self.uriSizer = wx.BoxSizer(wx.HORIZONTAL)
+                self.portSizer = wx.BoxSizer(wx.HORIZONTAL)
+
+                self.uriSizer.Add(wx.StaticText(self, wx.ID_ANY, "URI host:", size = wx.Size(70, -1)), proportion=0, flag=wx.ALIGN_CENTER_VERTICAL)
+                self.uriSizer.AddSpacer((0,0))
+                self.uriSizer.Add(self.IpText, proportion=1, flag=wx.ALIGN_RIGHT)
+                self.mainSizer.Add(self.uriSizer, border=2, flag=wx.ALL)
+
+                self.portSizer.Add(wx.StaticText(self, wx.ID_ANY, "URI port:", size = wx.Size(70, -1)), proportion=0, flag=wx.ALIGN_CENTER_VERTICAL)
+                self.portSizer.AddSpacer((0,0))
+                self.portSizer.Add(self.PortText, proportion=1, flag=wx.ALIGN_RIGHT)
+                self.mainSizer.Add(self.portSizer, border=2, flag=wx.ALL)
+
+                self.SetSizer(self.mainSizer)
+
+            def SetURI(self, uri):
+                self.uri = uri
+                uri_list = uri.strip().split(":")
+                length = len(uri_list)
+                if length == 3:
+                    self.IpText.SetValue(uri_list[1].strip("/"))
+                    self.PortText.SetValue(uri_list[2])
+                elif length == 2:
+                    self.IpText.SetValue(uri_list[1].strip("/"))
+
+
+            def GetURI(self):
+                self.uri = self.type+"://"+self.IpText.GetValue()+":"+self.PortText.GetValue()
+                return self.uri
+
+        return PYROConnectorPanel("PYRO", confnodesroot)