Stupid mistake

Author: gpotter2

scapy/packet.py

@@ -503,9 +503,9 @@ def psdump(self, filename=None, **kargs):
         """
         canvas = self.canvas_dump(**kargs)
         if filename is None:
-            fname = WINDOWS and get_temp_file(autoext=".eps")
+            fname = get_temp_file(autoext=".eps")
             canvas.writeEPSfile(fname)
-            if conf.prog.psreader is None:
+            if WINDOWS and conf.prog.psreader is None:
                 os.startfile(fname)
             else:
                 with ContextManagerSubprocess("psdump()", conf.prog.psreader):