wip in fixing dereferencing

cdplib/db_migration/ParseJsonSchema.py

@@ -48,7 +48,6 @@ class ParseJsonSchema(ParseDbSchema):
 
         for schema_path in schema_paths:
             try:
-                with open(schema_path, "r") as f:
                 # Load schmea dereferenced and cleaned by default values
                 self.schemas.append(self._dereference_schema(schema_path))