` -> * for error message blocks, so you can copy paste to github.

Author: rmarren1

dash/dash.py

@@ -952,9 +952,9 @@ def _validate_callback_output(self, namespace, component_type,
                 The expected schema for the `{component_property}` prop of the
                 `{component_name}` component is:
 
-                ```````````````````````````````````````````````````````````````
+                ***************************************************************
                 {component_schema}
-                ```````````````````````````````````````````````````````````````
+                ***************************************************************
 
             """.replace('    ', '').format(
                 component_property=component_property,

dash/development/base_component.py

@@ -266,15 +266,15 @@ def validate(self):
                 Dash tried to create a `{component_name}` component with the
                 following arguments, which caused a validation failure:
 
-                ```````````````````````````````````````````````````````````````
+                ***************************************************************
                 {component_args}
-                ```````````````````````````````````````````````````````````````
+                ***************************************************************
 
                 The expected schema for the `{component_name}` component is:
 
-                ```````````````````````````````````````````````````````````````
+                ***************************************************************
                 {component_schema}
-                ```````````````````````````````````````````````````````````````
+                ***************************************************************
 
                 The errors in validation are as follows: