title: Peewee select Decimal field?
body: <p>I have the following request using Peewee library:</p>
  
  <pre><code>return Products.select(Products.price, Products.sku, Products.manufacturer_id).where(Products.sku == article).get()
  </code></pre>
  
  <p>Where <code>Products.price</code> is field with type <code>decimal(15,4)</code> in MySQL</p>
  
  <p>This is Model:</p>
  
  <pre><code>class Products(peewee.Model):
      product_id = IntegerField(primary_key=True)
      sku = peewee.CharField()
      model = peewee.CharField()
      price = peewee.DecimalField(max_digits=15, decimal_places=4)
      manufacturer_id = peewee.IntegerField()
  
      class Meta:
          database = get_db_connection()
          table_name = 'oc_product'
  </code></pre>
  
  <p>When I run query was described above I get an error:</p>
  
  <pre><code>Error has occurred: Cannot convert b'6403.0000' to Decimal
  </code></pre>
  
  <p>What is wrong?</p>