fix: [vulnerability_lookup] Quick fix on a typing and an indentation

- Typing was correct but failing for some old python versions

misp_modules/modules/expansion/vulnerability_lookup.py

@@ -168,7 +168,7 @@ class VulnerabilityLookupParser(VulnerabilityParser):
         )
         getattr(self, feature)(lookup_result)
 
-    def _parse_aliases(self, *aliases: tuple[str]) -> Iterator[str]:
+    def _parse_aliases(self, *aliases: tuple) -> Iterator[str]:
         for alias in aliases:
             query = requests.get(f"{api_url}/vulnerability/{alias}")
             if query.status_code != 200:
@@ -406,7 +406,7 @@ def handler(q=False):
         return q
     request = json.loads(q)
     if not check_input_attribute(request.get('attribute', {})):
-       return {
+        return {
            'error': f'{standard_error_message}, which should contain '
                     'at least a type, a value and an UUID.'
         }