raise a runtime error when there is no socket for init connection

Author: robertbasic

pugdebug/server.py

@@ -235,7 +235,7 @@ def __connect_server(self):
 
     def __init_connection(self):
         if self.sock is None:
-            return
+            raise RuntimeError("Can't init connection without a socket")
 
         idekey = get_setting('debugger/idekey')