```
2025-11-24T13:13:32.336Z	Total Upload: 644.44 KiB / gzip: 119.86 KiB
2025-11-24T13:13:35.627Z	
2025-11-24T13:13:35.628Z	✘ [ERROR] A request to the Cloudflare API (/accounts/9c8c17cfa5b8c29c830e072acce42a3d/workers/scripts/vinci-backend/versions) failed.
2025-11-24T13:13:35.628Z	
2025-11-24T13:13:35.628Z	  Uncaught Error: PythonError: Traceback (most recent call last):
2025-11-24T13:13:35.628Z	    File "/lib/python313.zip/_pyodide/_base.py", line 523, in eval_code
2025-11-24T13:13:35.628Z	      .run(globals, locals)
2025-11-24T13:13:35.628Z	       ~~~^^^^^^^^^^^^^^^^^
2025-11-24T13:13:35.628Z	    File "/lib/python313.zip/_pyodide/_base.py", line 357, in run
2025-11-24T13:13:35.628Z	      coroutine = eval(self.code, globals, locals)
2025-11-24T13:13:35.629Z	    File "<exec>", line 9, in <module>
2025-11-24T13:13:35.629Z	    File "/lib/python313.zip/_pyodide/_base.py", line 666, in pyimport_impl
2025-11-24T13:13:35.629Z	      res = __import__(stem, fromlist=fromlist)
2025-11-24T13:13:35.629Z	    File "/session/metadata/worker.py", line 5, in <module>
2025-11-24T13:13:35.629Z	      from server import app  # Replace with your app import
2025-11-24T13:13:35.629Z	      ^^^^^^^^^^^^^^^^^^^^^^
2025-11-24T13:13:35.630Z	    File "/session/metadata/server.py", line 2, in <module>
2025-11-24T13:13:35.630Z	      import uvicorn
2025-11-24T13:13:35.630Z	  ModuleNotFoundError: No module named 'uvicorn'
2025-11-24T13:13:35.630Z	  
2025-11-24T13:13:35.630Z	    at null.<anonymous> (pyodide-internal:generated/emscriptenSetup:19872:14) in new_error
2025-11-24T13:13:35.630Z	    at [object Object] in $wrap_exception
2025-11-24T13:13:35.630Z	    at [object Object] in $pythonexc2js
2025-11-24T13:13:35.630Z	    at null.<anonymous> (pyodide-internal:generated/emscriptenSetup:22364:37) in callPyObjectKwargs
2025-11-24T13:13:35.630Z	    at null.<anonymous> (pyodide-internal:generated/emscriptenSetup:23262:20) in callKwargs
2025-11-24T13:13:35.631Z	    at null.<anonymous> (pyodide-internal:generated/emscriptenSetup:24422:87) in runPython
2025-11-24T13:13:35.631Z	    at null.<anonymous> (pyodide:python-entrypoint-helper:62:17) in handleSrcImport
2025-11-24T13:13:35.631Z	    at null.<anonymous> (pyodide:python-entrypoint-helper:171:17)
2025-11-24T13:13:35.631Z	   [code: 10021]
2025-11-24T13:13:35.631Z	  To learn more about this error, visit: https://developers.cloudflare.com/workers/observability/errors/#validation-errors-10021
2025-11-24T13:13:35.631Z	
2025-11-24T13:13:35.631Z	  
2025-11-24T13:13:35.631Z	  If you think this is a bug, please open an issue at: https://github.com/cloudflare/workers-sdk/issues/new/choose
2025-11-24T13:13:35.631Z	
2025-11-24T13:13:35.631Z	
2025-11-24T13:13:35.631Z	
2025-11-24T13:13:35.631Z	Cloudflare collects anonymous telemetry about your usage of Wrangler. Learn more at https://github.com/cloudflare/workers-sdk/tree/main/packages/wrangler/telemetry.md
2025-11-24T13:13:35.645Z	🪵  Logs were written to "/opt/buildhome/.config/.wrangler/logs/wrangler-2025-11-24_13-13-28_281.log"
2025-11-24T13:13:36.696Z	Failed: error occurred while running deploy command

```

wrangler.toml:

```
name = "backend" 
main = "worker.py"                       
compatibility_flags = ["python_workers"] 
compatibility_date = "2025-11-02"
```

worker.py:

```
from workers import WorkerEntrypoint
from server import app  


class Default(WorkerEntrypoint):
    async def fetch(self, request):
        import asgi

        return await asgi.fetch(app, request.js_object, self.env)
```