Updates after review

Author: MilagrosMarin

element_moseq/moseq_report.py

@@ -84,11 +84,11 @@ def make(self, key):
         valid_entries = [
             (vid, p)
             for vid, p in zip(video_ids, pose_estimation_paths)
-            if p is not None
+            if p and p.strip()  # Check for non-empty strings
         ]
         if not valid_entries:
             raise ValueError(
-                "No valid pose_estimation_paths found - all entries are NULL"
+                "No valid pose_estimation_paths found - all entries are empty"
             )
 
         posefile2vid = {Path(p).stem: vid for vid, p in valid_entries}

element_moseq/moseq_train.py

@@ -164,7 +164,7 @@ class VideoFile(dj.Part):
         video_id                            : int           # Unique ID for each video corresponding to each keypoint data file, relative to root data directory
         ---
         video_path                          : varchar(1000) # Filepath of each video (e.g., `.mp4`) from which the keypoints are derived, relative to root data directory
-        pose_estimation_path=null           : varchar(1000) # Filepath of each pose estimation file (e.g., `.h5`) that contains the keypoints, relative to root data directory
+        pose_estimation_path=''             : varchar(1000) # Filepath of each pose estimation file (e.g., `.h5`) that contains the keypoints, relative to root data directory
         """