fix ci failure and modify the cli argument from "--ignore-sup-sub" to…

… "--no-ignore-sup-sub"

html2text/cli.py

@@ -265,8 +265,9 @@ class bcolors:
     p.add_argument("filename", nargs="?")
     p.add_argument("encoding", nargs="?", default="utf-8")
     p.add_argument(
-        "--ignore-sup-sub",
+        "--no-ignore-sup-sub",
         dest="ignore_sup_sub",
+        action="store_false",
         default=config.IGNORE_SUP_SUB,
         help="Ignore the sup and sub tags",
     )
@@ -324,5 +325,6 @@ class bcolors:
     h.default_image_alt = args.default_image_alt
     h.open_quote = args.open_quote
     h.close_quote = args.close_quote
+    h.ignore_sup_sub = args.ignore_sup_sub
 
     sys.stdout.write(h.handle(html))

test/test_html2text.py

@@ -140,6 +140,11 @@ def generate_testdata():
             # CLI doesn't support baseurl.
             cmdline_args = skip
 
+        if base_fn in ["sup_tag.html", "sub_tag.html"]:
+            module_args["ignore_sup_sub"] = False
+            cmdline_args.append("--no-ignore-sup-sub")
+            func_args = skip
+
         yield fn, module_args, cmdline_args, func_args