Use wtforms_sqlalchemy instead of wtforms.ext.sqlalchemy

flaskbb/management/forms.py

@@ -23,7 +23,7 @@ from wtforms import (
     SubmitField,
     TextAreaField,
 )
-from wtforms.ext.sqlalchemy.fields import QuerySelectField, QuerySelectMultipleField
+from wtforms_sqlalchemy.fields import QuerySelectField, QuerySelectMultipleField
 from wtforms.validators import (
     URL,
     DataRequired,

requirements.txt

@@ -57,4 +57,5 @@ vine==5.0.0
 Werkzeug==1.0.1
 Whoosh==2.7.4
 WTForms==2.3.3
+WTForms-SQLAlchemy==0.2
 -e .

setup.py

@@ -94,6 +94,7 @@ install_requires = [
     "Werkzeug>=1.0.1",
     "Whoosh>=2.7.4",
     "WTForms>=2.3.3",
+    "WTForms-SQLAlchemy>=0.2",
 ]