add network receipt printer support

screenless/bureau/bureau.py

@@ -91,7 +91,7 @@ class LogPrinter(logging.Handler):
         sm_print_lockfile = open("small_printer_lock", "w")
         fcntl.lockf(sm_print_lockfile, fcntl.LOCK_EX)
         if "ipaddr" in self.printer:
-            prn = printer.Network(self.smprint["ipaddr"])
+            prn = printer.Network(self.printer["ipaddr"])
         elif (self.printer["inep"] is None) and (self.printer["outep"] is None):
             prn = printer.Usb(self.printer["vendorid"], self.printer["productid"])
         else: