Update au_act_esptool.py

Author: PaulZC

RTK_Firmware_Uploader/au_act_esptool.py

@@ -6,13 +6,12 @@
 import os
 import sys
 
-if (system() == "Darwin"): # Fix for MacOS pyinstaller windowed executable
+if (system() == "Darwin") and hasattr(sys, '_MEIPASS'): # Fix for MacOS pyinstaller windowed executable
 
     # Python hackiness: change the path to stub json files in the context of the esptool
     # module, so it edits the esptool's global variables
     base_path = getattr(sys, '_MEIPASS', os.path.dirname(os.path.abspath(__file__)))
-    #STUBS_DIR = os.path.join(base_path, "..", "Resources", "esptool", "targets", "stub_flasher")
-    STUBS_DIR = os.path.join(base_path, "esptool", "targets", "stub_flasher")
+    STUBS_DIR = os.path.join(base_path, "..", "Resources", "esptool", "targets", "stub_flasher")
     exec(
         "loader.STUBS_DIR = '{}'".format(STUBS_DIR),
         esptool.__dict__,