title: How can i insert row into table sqlalchemy object?
body: <p>i have table object that its name is tags and i don't know how to insert new row into it</p>
  
  <p>this is my table object :</p>
  
  <pre><code>tags = db.Table('tags',
      db.Column('tag_id', db.Integer, db.ForeignKey('tag.id'), primary_key=True),
      db.Column('Post_id', db.Integer, db.ForeignKey('post.id'), primary_key=True)
  )
  </code></pre>
  
  <p>i tried to use this query for test :</p>
  
  <pre><code>db.session.add(tags(
          post_id = 1,
          tag_id = 2
  ))
  </code></pre>
  
  <p>But I encountered this error : </p>
  
  <pre><code>TypeError: 'Table' object is not callable
  </code></pre>