Merge pull request #51 from netinvent/fix-exit

Fix exit() not existing when running Python with -S flag

Author: spyoungtech

FreeSimpleGUI/window.py

@@ -1087,7 +1087,7 @@ def _read(self, timeout=None, timeout_key=TIMEOUT_KEY):
                 Window._root_running_mainloop.mainloop()
             except:
                 print('**** EXITING ****')
-                exit(-1)
+                sys.exit(-1)
             # print('Out main')
             self.CurrentlyRunningMainloop = False
             # if self.LastButtonClicked != TIMEOUT_KEY: