fix: 🐞 doc and validation typo fix

Signed-off-by: Onuralp SEZER <thunderbirdtr@gmail.com>

supervision/keypoint/core.py

@@ -443,13 +443,15 @@ class KeyPoints:
             predictor = DefaultPredictor(cfg)
 
             result = predictor(image)
-            keypoints = sv.Keypoints.from_detectron2(result)
+            keypoints = sv.KeyPoints.from_detectron2(result)
             ```
         """
-        
+
         if hasattr(detectron2_results["instances"], "pred_keypoints"):
             return cls(
-                xy=detectron2_results["instances"].pred_keypoints.cpu().numpy()[:, :, :2],
+                xy=detectron2_results["instances"]
+                .pred_keypoints.cpu()
+                .numpy()[:, :, :2],
                 confidence=detectron2_results["instances"]
                 .pred_keypoints.cpu()
                 .numpy()[:, :, 2:],

supervision/validators/__init__.py

@@ -62,8 +62,7 @@ def validate_keypoint_confidence(confidence: Any, n: int, m: int) -> None:
         if not is_valid:
             raise ValueError(
                 f"confidence must be a 1D np.ndarray with shape {expected_shape}, but "
-                "got"
-                f"shape {actual_shape}"
+                f"got shape {actual_shape}"
             )