Can't deploy example app

Community Cloud
1

I’ve tried deploying different, very minimal apps from my GitHub repo, including one of the Streamlit cloud example apps, to no avail. I’m using Poetry as my dependency manager. I get the following messages when I deploy:

Installing dependencies from lock file
Package operations: 46 installs, 0 updates, [2023-04-26 15:34:54.776714] 0 removals
  • Installing six (1.16.0)
  • Installing attrs (23.1.0)
  • Installing markupsafe (2.1.2)
  • Installing mdurl (0.1.2)
  • Installing numpy (1.24.3)
  • Installing pyrsistent (0.19.3)
  • Installing python-dateutil (2.8.2)
  • Installing pytz (2023.3)
  • Installing smmap (5.0.0)
  • Installing tzdata (2023.3)
  • Installing certifi (2022.12.7)
  • Installing charset-normalizer (3.1.0)
  • Installing decorator (5.1.1)
  • Installing gitdb (4.0.10)
  • Installing entrypoints (0.4)
  • Installing jsonschema (4.17.3)
  • Installing jinja2 (3.1.2)
  • Installing pandas (1.5.3)
  • Installing pygments (2.15.1)
  • Installing idna (3.4)
  • Installing markdown-it-py (2.2.0)
  • Installing pytz-deprecation-shim (0.1.0.post0)
  • Installing urllib3 (1.26.15)
  • Installing toolz (0.12.0)
  • Installing zipp (3.15.0)
  • Installing altair (4.2.2)
  • Installing blinker (1.6.2)
  • Installing cachetools (5.3.0)
  • Installing click (8.1.3)
  • Installing gitpython (3.1.31)
  • Installing importlib-metadata (6.6.0)
  • Installing packaging (23.1)
  • Installing pillow (9.5.0)
  • Installing protobuf (3.20.3)
  • Installing pyarrow (11.0.0)
  • Installing pydeck (0.8.0)
  • Installing pympler (1.0.1)
  • Installing requests (2.29.0)
  • Installing rich (13.3.4)
  • Installing toml (0.10.2)
  • Installing tornado (6.3.1)
  • Installing typing-extensions (4.5.0)
  • Installing tzlocal (4.3)
  • Installing validators (0.20.0)
  • Installing watchdog (3.0.0)
  • Installing streamlit (1.21.0)
/app/bfs_viz/bfs_viz does not contain any element
/app/bfs_viz
────────────────────────────────────────────────────────────────────────────────────────
[15:35:04] ❗️ installer returned a non-zero exit code
[15:35:04] ❗️ Error during processing dependencies! Please fix the error and push an update, or try restarting the app.
[15:36:41] ❗️ Streamlit server consistently failed status checks
[15:36:41] ❗️ Please fix the errors, push an update to the git repo, or reboot the app.

Does this mean the Streamlit server is down (“consistently failed status checks”), or some of my code is wrong?

2

I had a packages line inserted in my pyproject.toml file by Poetry itself that causes the “does not contain any element” error, e.g.
packages = [{include = "example"}]

Removing that solved the cloud deployment error.

3

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