{
  "id": 582647,
  "title": "No Submissing Scoring Error, but notebook contains errors in the log",
  "url": "/competitions/birdclef-2025/discussion/582647",
  "author_name": "Alex",
  "post_date": "2025-06-01T18:20:22.466000",
  "votes": -6,
  "comment_count": 0,
  "views": 0,
  "content": "<p>Under submissions, the notebook itself in the output returned error \"ValueError: No objects to concatenate\" on the line \"predictions = pd.concat(predictions, axis=0, ignore_index=True)\" (which is meant to populate the dataframe to write to submission.csv). In addition, under the logs, there is an red exclamation mark accompanied by \"Version y failed to run after {xxx}s\". However, the notebook did submit successfully and I did get a score back. Did nothing got submitted at all, so it scored a degenerate submission (not sure if in this case it returns submission scoring error or runs anyway), or the submission.csv did get populated properly?</p>\n<p>TLDR; there is an error/bug as far as I can see, based on the above, but I have no idea what is happening in the true test environment because there it scored and was green, but all I see are errors and red exclamation marks in the logs for the notebook output I can see.</p>",
  "messages": [
    {
      "id": 3215183,
      "postDate": "2025-06-01T18:20:22.467Z",
      "content": "<p>Under submissions, the notebook itself in the output returned error \"ValueError: No objects to concatenate\" on the line \"predictions = pd.concat(predictions, axis=0, ignore_index=True)\" (which is meant to populate the dataframe to write to submission.csv). In addition, under the logs, there is an red exclamation mark accompanied by \"Version y failed to run after {xxx}s\". However, the notebook did submit successfully and I did get a score back. Did nothing got submitted at all, so it scored a degenerate submission (not sure if in this case it returns submission scoring error or runs anyway), or the submission.csv did get populated properly?</p>\n<p>TLDR; there is an error/bug as far as I can see, based on the above, but I have no idea what is happening in the true test environment because there it scored and was green, but all I see are errors and red exclamation marks in the logs for the notebook output I can see.</p>",
      "rawMarkdown": "Under submissions, the notebook itself in the output returned error \"ValueError: No objects to concatenate\" on the line \"predictions = pd.concat(predictions, axis=0, ignore_index=True)\" (which is meant to populate the dataframe to write to submission.csv). In addition, under the logs, there is an red exclamation mark accompanied by \"Version y failed to run after {xxx}s\". However, the notebook did submit successfully and I did get a score back. Did nothing got submitted at all, so it scored a degenerate submission (not sure if in this case it returns submission scoring error or runs anyway), or the submission.csv did get populated properly?\n\nTLDR; there is an error/bug as far as I can see, based on the above, but I have no idea what is happening in the true test environment because there it scored and was green, but all I see are errors and red exclamation marks in the logs for the notebook output I can see.",
      "votes": -6
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "3215183": "Under submissions, the notebook itself in the output returned error \"ValueError: No objects to concatenate\" on the line \"predictions = pd.concat(predictions, axis=0, ignore_index=True)\" (which is meant to populate the dataframe to write to submission.csv). In addition, under the logs, there is an red exclamation mark accompanied by \"Version y failed to run after {xxx}s\". However, the notebook did submit successfully and I did get a score back. Did nothing got submitted at all, so it scored a degenerate submission (not sure if in this case it returns submission scoring error or runs anyway), or the submission.csv did get populated properly?\n\nTLDR; there is an error/bug as far as I can see, based on the above, but I have no idea what is happening in the true test environment because there it scored and was green, but all I see are errors and red exclamation marks in the logs for the notebook output I can see."
  }
}