Add RichTextBlock to Block.parse() targets (#1433)

Author: seratch

slack_sdk/models/blocks/blocks.py

@@ -89,6 +89,8 @@ def parse(cls, block: Union[dict, "Block"]) -> Optional["Block"]:
                     return HeaderBlock(**block)
                 elif type == VideoBlock.type:
                     return VideoBlock(**block)
+                elif type == RichTextBlock.type:
+                    return RichTextBlock(**block)
                 else:
                     cls.logger.warning(f"Unknown block detected and skipped ({block})")
                     return None

tests/slack_sdk/models/test_blocks.py

@@ -973,6 +973,7 @@ def test_complex(self):
             ],
         }
         self.assertDictEqual(dict_block, RichTextBlock(**dict_block).to_dict())
+        self.assertDictEqual(dict_block, Block.parse(dict_block).to_dict())
 
         _ = RichTextElementParts
         class_block = RichTextBlock(