upload.py should not always fail

fixup #8603, sys.exc_info is a function

Author: mcspr

tools/upload.py

@@ -70,5 +70,5 @@
 finally:
     if erase_file:
         os.remove(erase_file)
-    if sys.exc_info:
+    if any(sys.exc_info()):
         sys.exit(2)