Allowing certificate less https usage

labkeySlicerPythonExtension/labkeySlicerPythonExtension.py

@@ -249,13 +249,15 @@ class labkeySlicerPythonExtensionWidget(ScriptedLoadableModuleWidget):
 
   def onInitButtonClicked(self):
       if self.serverURL.text.find("https")==0:
-
-          self.network.configureSSL(
-            self.userCertButton.text,
-            self.privateKeyButton.text,
-            self.pwd,
-            self.caCertButton.text
-        )
+          try:
+            self.network.configureSSL(
+              self.userCertButton.text,
+              self.privateKeyButton.text,
+              self.pwd,
+              self.caCertButton.text)
+          except AttributeError:
+            pass
+        
 
       self.network.initRemote()