diff --git a/.mypy.ini b/.mypy.ini
new file mode 100644
index 0000000000..5c64e4f639
--- /dev/null
+++ b/.mypy.ini
@@ -0,0 +1,2 @@
+[mypy-flask_login.*]
+ignore_missing_imports = True
diff --git a/app/scodoc/TrivialFormulator.py b/app/scodoc/TrivialFormulator.py
index 6921d45aaf..de061800f3 100644
--- a/app/scodoc/TrivialFormulator.py
+++ b/app/scodoc/TrivialFormulator.py
@@ -429,7 +429,7 @@ class TF(object):
         buttons_markup = ""
         if self.submitbutton:
             buttons_markup += (
-                '<input type="submit" name="%s_submit" id="%s_submit" value="%s" %s>'
+                '<input type="submit" name="%s_submit" id="%s_submit" value="%s" %s/>'
                 % (
                     self.formid,
                     self.formid,
@@ -471,9 +471,9 @@ class TF(object):
             R.append(
                 f"""<input type="hidden" name="csrf_token" value="{
                     flask_wtf.csrf.generate_csrf()
-                }">"""
+                }"/>"""
             )
-        R.append(f"""<input type="hidden" name="{self.formid}_submitted" value="1">""")
+        R.append(f"""<input type="hidden" name="{self.formid}_submitted" value="1"/>""")
         if self.top_buttons:
             R.append(buttons_markup + "<p></p>")
         R.append(self.before_table.format(title=self.title))
@@ -524,7 +524,7 @@ class TF(object):
                 else:
                     checked = ""
                 lab.append(
-                    '<input type="checkbox" name="%s:list" value="%s" onclick="tf_enable_elem(this)" %s>'
+                    '<input type="checkbox" name="%s:list" value="%s" onclick="tf_enable_elem(this)" %s/>'
                     % ("tf-checked", field, checked)
                 )
             if title_bubble:
@@ -663,12 +663,12 @@ class TF(object):
                 if descr.get("type", "") == "list":
                     for v in values[field]:
                         lem.append(
-                            '<input type="hidden" name="%s:list" value="%s" %s >'
+                            '<input type="hidden" name="%s:list" value="%s" %s />'
                             % (field, v, attribs)
                         )
                 else:
                     lem.append(
-                        '<input type="hidden" name="%s" id="%s" value="%s" %s >'
+                        '<input type="hidden" name="%s" id="%s" value="%s" %s />'
                         % (field, wid, values[field], attribs)
                     )
             elif (input_type == "separator") or (input_type == "table_separator"):
@@ -746,7 +746,7 @@ var {field}_as = new bsn.AutoSuggest('{field}', {field}_opts);
                     break;
             i = i + 1;
             while (i < elem.form.elements.length) {
-                if ((elem.form.elements[i].type == "text") 
+                if ((elem.form.elements[i].type == "text")
                     && (!(elem.form.elements[i].disabled))
                     && ($(elem.form.elements[i]).is(':visible')))
                 {
@@ -760,7 +760,7 @@ var {field}_as = new bsn.AutoSuggest('{field}', {field}_opts);
                 elem.blur();
             }
             return false;
-        } 
+        }
         else
             return true;
     }</script>
@@ -771,7 +771,7 @@ var {field}_as = new bsn.AutoSuggest('{field}', {field}_opts);
             # => only one form with text_suggest field on a page.
             R.append(
                 """<script type="text/javascript">
-            function init_tf_form(formid) {                
+            function init_tf_form(formid) {
                 %s
             }
             </script>"""
@@ -839,7 +839,7 @@ var {field}_as = new bsn.AutoSuggest('{field}', {field}_opts);
                     bool_val = 0
                 R.append(labels[bool_val])
                 if bool_val:
-                    R.append('<input type="hidden" name="%s" value="1">' % field)
+                    R.append(f'<input type="hidden" name="{field}" value="1"/>')
             else:
                 labels = descr.get("labels", descr["allowed_values"])
                 for i in range(len(labels)):
@@ -858,7 +858,7 @@ var {field}_as = new bsn.AutoSuggest('{field}', {field}_opts);
         elif input_type == "file":
             R.append("'%s'" % self.values[field])
         else:
-            raise ValueError("unkown input_type for form (%s)!" % input_type)
+            raise ValueError(f"unkown input_type for form ({input_type})!")
 
         explanation = descr.get("explanation", "")
         if explanation:
diff --git a/app/views/users.py b/app/views/users.py
index ddf6015501..80bc4e54e7 100644
--- a/app/views/users.py
+++ b/app/views/users.py
@@ -222,7 +222,6 @@ def create_user_form(user_name=None, edit=0, all_roles=True):
     all_roles = int(all_roles)
     H = [
         html_sco_header.sco_header(
-            bodyOnLoad="init_tf_form('')",
             javascripts=["js/user_form.js"],
         )
     ]