Fix crash using create_user

Fix an invalid import usage to avoid a crash with the management
command create_user.

LEARNER-3932

common/djangoapps/student/forms.py

@@ -128,13 +128,21 @@ def validate_username(username):
     validator(username)
 
 
+def contains_html(value):
+    """
+    Validator method to check whether name contains html tags
+    """
+    regex = re.compile('(<|>)', re.UNICODE)
+    return bool(regex.search(value))
+
+
 def validate_name(name):
     """
     Verifies a Full_Name is valid, raises a ValidationError otherwise.
     Args:
         name (unicode): The name to validate.
     """
-    if accounts_settings.api.contains_html(name):
+    if contains_html(name):
         raise forms.ValidationError(_('Full Name cannot contain the following characters: < >'))
 
 

openedx/core/djangoapps/user_api/accounts/api.py

@@ -2,7 +2,6 @@
 """
 Programmatic integration point for User API Accounts sub-application
 """
-import re
 import datetime
 from pytz import UTC
 
@@ -539,14 +538,6 @@ def _get_user_and_profile(username):
     return existing_user, existing_user_profile
 
 
-def contains_html(value):
-    """
-    Validator method to check whether name contains html tags
-    """
-    regex = re.compile('(<|>)', re.UNICODE)
-    return bool(regex.search(value))
-
-
 def _validate(validation_func, err, *args):
     """Generic validation function that returns default on
     no errors, but the message associated with the err class