Take min_epochs value from default hyperparam dict

and don't set it to the string value of the field name...

Fixes #702

Author: mittagessen

kraken/ketos/ro.py

@@ -61,7 +61,7 @@
               help='Number of epochs to train for')
 @click.option('--min-epochs',
               show_default=True,
-              default=['min_epochs'],
+              default=READING_ORDER_HYPER_PARAMS['min_epochs'],
               help='Minimal number of epochs to train for when using early stopping.')
 @click.option('--lag',
               show_default=True,