fix wine setup

test/cmp_tool/cmp_tool_integration_test.py

@@ -23,13 +23,13 @@ IMAGETTE_HEADER_SIZE = GENERIC_HEADER_SIZE+4
 IMAGETTE_ADAPTIVE_HEADER_SIZE = GENERIC_HEADER_SIZE+12
 NON_IMAGETTE_HEADER_SIZE = GENERIC_HEADER_SIZE+32
 
+WINE_TEST_SETUP = False
+my_env=None
 if sys.platform != 'win32' and sys.platform != 'cygwin':
     if Path('cmp_tool.exe').exists():
         # try to detect cross compile setup
         # and use wine to run windows executable
         WINE_TEST_SETUP = True
-    else:
-        WINE_TEST_SETUP = False
         # disable wine debug output
         my_env = os.environ.copy()
         my_env["WINEDEBUG"] = f"-all"