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Can you share the full error message?

(market_watch) aiujdm2 market_watch (main) >> ploomber build

Loading pipeline... Traceback (most recent call last): File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/cli/io.py”, line 37, in wrapper fn(**kwargs) File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/telemetry/telemetry.py”, line 551, in wrapper raise e File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/telemetry/telemetry.py”, line 537, in wrapper result = func(_payload, *args, **kwargs) File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/cli/build.py”, line 54, in main dag, args = parser.load_from_entry_point_arg() File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/cli/parsers.py”, line 215, in load_from_entry_point_arg dag, args = load_dag_from_entry_point_and_parser( File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/cli/parsers.py”, line 488, in load_dag_from_entry_point_and_parser dag, args = _process_file_dir_or_glob(parser) File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/cli/parsers.py”, line 440, in _process_file_dir_or_glob dag = DAGSpec(dagspec_arg, env=env).to_dag() File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/spec/dagspec.py”, line 199, in init self._init(data=data, File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/spec/dagspec.py”, line 331, in _init tags_other) = expand_raw_dictionaries_and_extract_tags( File “/Users/aiujdm2/.local/share/virtualenvs/market_watch-dtlP-L11/lib/python3.9/site-packages/ploomber/env/expand.py”, line 44, in expand_raw_dictionaries_and_extract_tags zip(*[ TypeError: ‘NoneType’ object is not iterable

are you using the

import_tasks_from

directive?

yes. I have to comment out code there as that task in under progress.

Alright. It's breaking because it's empty. I'd recommend commenting out the import_tasks_from line, let me know if that fixes it

yes. it did. thank you so much!

sure. thanks for the feedback, I'll make sure we validate the input so we provide a clearer error message 🙂