Followup to #901: Tweak repocard_types.py (#931)

* fix link

* `verified` should be omitted when false

* move docstring to its actual attribute

* Attempt to show that `args` should be a dict

src/huggingface_hub/repocard_types.py

@@ -41,7 +41,7 @@ class SingleMetric:
     The arguments passed during `Metric.compute()`. Example for `bleu`: max_order: 4
     """
 
-    verified: Optional[bool] = False
+    verified: Optional[bool] = None
     """
     If true, indicates that evaluation was generated by Hugging Face (vs. self-reported).
     """
@@ -52,8 +52,7 @@ class SingleResultTask:
     type: str
     """
     Example: automatic-speech-recognition Use task id from
-    https://github.com/huggingface/huggingface_hub/blob/main/js/src/lib/int
-    erfaces/Types.ts
+    hhttps://github.com/huggingface/hub-docs/blob/main/js/src/lib/interfaces/Types.ts
     """
 
     name: Optional[str] = None
@@ -64,11 +63,6 @@ class SingleResultTask:
 
 @dataclass
 class SingleResultDataset:
-    """
-    This will switch to required at some point. in any case, we need them to
-    link to PWC
-    """
-
     name: str
     """
     Example: Common Voice (French). A pretty name for the dataset.
@@ -96,16 +90,16 @@ class SingleResultDataset:
 
     args: Any = None
     """
-    Example: zh-CN
+    Optional. Additional arguments to `load_dataset()`. Example for wikipedia: { language: "en" }
     """
 
 
 @dataclass
 class SingleResult:
     task: "SingleResultTask"
     dataset: "Optional[SingleResultDataset]"
-    metrics: "List[SingleMetric]"
     """
     This will switch to required at some point. in any case, we need them to
     link to PWC
     """
+    metrics: "List[SingleMetric]"