reworked

models.py

@@ -9,5 +9,5 @@ class User(db.Model):
    
 class Progul(db.Model):
     id = db.Column(db.Integer, primary_key=True, autoincrement=True)
-    IO = db.Column(db.Date())
+    progulDate = db.Column(db.String(100))
     user_id = db.Column(db.Integer, db.ForeignKey('user.id'))