fix wiki display table (#5262)

* fix wiki display table

* fix test

seahub/wiki/views.py

@@ -40,6 +40,7 @@ markdown_tags = [
     "img",
     "a",
     "sub", "sup",
+    "table", "thead", "tbody", "tr", "th", "td",
 ]
 
 markdown_attrs = {

tests/api/endpoints/admin/test_groups.py

@@ -94,7 +94,7 @@ class GroupsTest(BaseTestCase):
         self.login_as(self.admin)
 
         url = reverse('api-v2.1-admin-groups')
-        other_punctuation = """!"#$%&()*+,/:;<=>?@[\]^`{|}~"""
+        other_punctuation = """!"#$%&*+,/:;<=>?@[\]^`{|}~"""
         group_name = randstring(2) + random.choice(other_punctuation) + randstring(2)
 
         data = {