feat(cluster): ignore .ipynb_checkpoints

cluster/train_cluster.py

@@ -14,6 +14,9 @@ logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
 def train_cluster(in_dir, n_clusters, use_minibatch=True, verbose=False,use_gpu=False):#gpu_minibatch真拉，虽然库支持但是也不考虑
+    if in_dir.endswith(".ipynb_checkpoints"):
+        logger.info(f"Ignore {in_dir}")
+
     logger.info(f"Loading features from {in_dir}")
     features = []
     nums = 0