Add additional check to keypoints annotations (#282)

Author: flubstep

CHANGELOG.md

@@ -5,6 +5,9 @@ All notable changes to the [Nucleus Python Client](https://github.com/scaleapi/n
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.10.4](https://github.com/scaleapi/nucleus-python-client/releases/tag/v0.10.1)) - 2022-04-22
+- Additional check added for KeypointsAnnotation names validation
+
 ## [0.10.3](https://github.com/scaleapi/nucleus-python-client/releases/tag/v0.10.3) - 2022-04-22
 
 ### Fixed

nucleus/annotation.py

@@ -464,6 +464,15 @@ def __post_init__(self):
             raise ValueError(
                 "The list of keypoints must be the same length as the list of names"
             )
+        if len(set(self.names)) != len(self.names):
+            seen = set()
+            for name in self.names:
+                if name in seen:
+                    raise ValueError(
+                        f"The keypoint name '{name}' is repeated in the list of names"
+                    )
+                seen.add(name)
+
         for segment in self.skeleton:
             if len(segment) != 2:
                 raise ValueError(

pyproject.toml

@@ -21,7 +21,7 @@ exclude = '''
 
 [tool.poetry]
 name = "scale-nucleus"
-version = "0.10.3"
+version = "0.10.4"
 description = "The official Python client library for Nucleus, the Data Platform for AI"
 license =  "MIT"
 authors = ["Scale AI Nucleus Team <nucleusapi@scaleapi.com>"]