Patch release GraphQL-core v3.1.5, based on GraphQL.js v15.4.0.
This release includes the following changes and imrovements:
- Default `parse_literal` of GraphQLScalarType now handles variables
- `build_ast_schema` now matches order of default types and directives
- Return formatted errors in formatted execution result (fixes 129)
- The `is_deprecated` property is now deprecated itself
- Input fields and arguments can now be marked as deprecated
- Handle case when MapAsyncIterator is cancelled (131)
- Improve return type for complete_list_value (132)
- Replace resolved types in lexicographic schema sort
- `EventEmitter` helper class has been replaces by `SimplePubSub`
- `print_ast` now breaks arguments over multiple lines
Special thanks to cancan101, mlorenzana, wuyuanyi135 for contributing.