Hi, I am getting the following error when I run Prefect agent looking for flows deployed from a python script running on a Windows laptop. Further details in the thread. 092836.300 | INFO | prefect.agent - Submitting flow run 'ae7d9532-0a2b-42a6-bbfb-18f3f987098a' 092841.921 | INFO | prefect.agent - Submitting flow run 'ae7d9532-0a2b-42a6-bbfb-18f3f987098a' 092846.342 | INFO | prefect.infrastructure.process - Opening process 'bouncy-dalmatian'... 092846.342 | INFO | prefect.agent - Completed submission of flow run 'ae7d9532-0a2b-42a6-bbfb-18f3f987098a' 092850.680 | ERROR | Flow run 'bouncy-dalmatian' - Flow could not be retrieved from deployment. Traceback (most recent call last): File "D:\Raghu\venv\lib\site-packages\prefect\engine.py", line 254, in retrieve_flow_then_begin_flow_run flow = await load_flow_from_flow_run(flow_run, client=client) File "D:\Raghu\venv\lib\site-packages\prefect\client.py", line 104, in with_injected_client return await fn(*args, **kwargs) File "D:\Raghu\venv\lib\site-packages\prefect\deployments.py", line 55, in load_flow_from_flow_run await storage_block.get_directory(from_path=None, local_path=".") File "D:\Raghu\venv\lib\site-packages\prefect\filesystems.py", line 100, in get_directory shutil.copytree(from_path, local_path, dirs_exist_ok=True) File "D:\Raghu\Python\lib\shutil.py", line 566, in copytree with os.scandir(src) as itr: FileNotFoundError: [WinError 3] The system cannot find the path specified: 'C:\\Users\\HOME\\AppData\\Local\\Temp\\tmpl2td_44jprefect' 092851.663 | INFO | prefect.infrastructure.process - Process 'bouncy-dalmatian' exited cleanly.

it looks like a path issue when building deployment from Python - I believe this is fixed in the main branch and will be released next week - until now, can you try using CLI to build and apply deployment? This post explains how https://medium.com/the-prefect-blog/declarative-dataflow-deployments-with-prefect-make-ci-cd-a-breeze-fe77bdbb58d4

Thank you so much for the update! Any chances of fix being available by 1st or 2nd? I have a deadline on 5th. If it won't be available by 2nd, I will go for the CLI option. Thanks!

no guarantee on when the release will happen, and I would personally recommend the CLI approach anyway because I believe it provides a better UX keep us posted if the CLI fixed the issue for you

Got Prefect 2.3.0 just now, hopefully the python path problem is fixed in it. Got to try. Before that, I have this question:

deployment = Deployment.build_from_flow(flow_name=workflow_orchestration,\
                                        name="Workflow Orchestration", \
                                        version="1", tags=["Iris"],\
                                        schedule={'interval': 600, 'timezone': "Asia/Kolkata"})

I want to provide schedules like every hour, once in a week, once in a month, etc. In CLI, I saw something like --rrule option for frequency-based scheduling. What is the equivalent option in Python? I searched online, but I could not find a comprehensive documentation that explains with examples. Thanks!

This could help https://discourse.prefect.io/t/does-prefect-2-0-support-filters-and-adjustments-e-g-to-restrict-the-schedule-to-only-run-during-business-hours/856/2

By the way, Prefect 2.3.0 didn't fix the issue of agent traceback..... (venv) D:\Raghu\gProject>prefect agent start -q hour-work-queue Starting v2.3.0 agent connected to http://127.0.0.1:4200/api... _ _ _ _ _ _ _____ _ _ _ _ _ _____ | _ \ _ \ __| __| __/ _| _| /_\ / __| _| \| | _| | _/ / _|| _|| | (_ | | / _ \ (_ | _|| .` | | | |_| |_|_\___|_| |___\___| |_| /_/ \_\___|___|_|\_| |_| Agent started! Looking for work from queue(s): hour-work-queue... 001532.074 | ERROR | prefect.agent - Traceback (most recent call last): File "D:\Raghu\Python\lib\asyncio\windows_events.py", line 462, in finish_recv return ov.getresult() OSError: [WinError 64] The specified network name is no longer available During handling of the above exception, another exception occurred: Traceback (most recent call last): File "D:\Raghu\Python\lib\asyncio\proactor_events.py", line 280, in _loop_reading data = fut.result() File "D:\Raghu\Python\lib\asyncio\windows_events.py", line 817, in _poll value = callback(transferred, key, ov) File "D:\Raghu\Python\lib\asyncio\windows_events.py", line 466, in finish_recv raise ConnectionResetError(*exc.args) ConnectionResetError: [WinError 64] The specified network name is no longer available The above exception was the direct cause of the following exception: Traceback (most recent call last): File "D:\Raghu\venv\lib\site-packages\httpcore\_exceptions.py", line 8, in map_exceptions yield File "D:\Raghu\venv\lib\site-packages\httpcore\backends\asyncio.py", line 33, in read return await self._stream.receive(max_bytes=max_bytes) File "D:\Raghu\venv\lib\site-packages\anyio\_backends\_asyncio.py", line 1274, in receive raise self._protocol.exception anyio.BrokenResourceError During handling of the above exception, another exception occurred: Traceback (most recent call last): File "D:\Raghu\venv\lib\site-packages\httpx\_transports\default.py", line 60, in map_httpcore_exceptions yield File "D:\Raghu\venv\lib\site-packages\httpx\_transports\default.py", line 353, in handle_async_request resp = await self._pool.handle_async_request(req) File "D:\Raghu\venv\lib\site-packages\httpcore\_async\connection_pool.py", line 253, in handle_async_request raise exc File "D:\Raghu\venv\lib\site-packages\httpcore\_async\connection_pool.py", line 237, in handle_async_request response = await connection.handle_async_request(request) File "D:\Raghu\venv\lib\site-packages\httpcore\_async\connection.py", line 90, in handle_async_request return await self._connection.handle_async_request(request) File "D:\Raghu\venv\lib\site-packages\httpcore\_async\http11.py", line 105, in handle_async_request raise exc File "D:\Raghu\venv\lib\site-packages\httpcore\_async\http11.py", line 84, in handle_async_request ) = await self._receive_response_headers(**kwargs) File "D:\Raghu\venv\lib\site-packages\httpcore\_async\http11.py", line 148, in _receive_response_headers event = await self._receive_event(timeout=timeout) File "D:\Raghu\venv\lib\site-packages\httpcore\_async\http11.py", line 177, in _receive_event data = await self._network_stream.read( File "D:\Raghu\venv\lib\site-packages\httpcore\backends\asyncio.py", line 35, in read return b"" File "D:\Raghu\Python\lib\contextlib.py", line 137, in exit self.gen.throw(typ, value, traceback) File "D:\Raghu\venv\lib\site-packages\httpcore\_exceptions.py", line 12, in map_exceptions raise to_exc(exc) httpcore.ReadError The above exception was the direct cause of the following exception: Traceback (most recent call last): File "D:\Raghu\venv\lib\site-packages\prefect\agent.py", line 129, in get_and_submit_flow_runs queue_runs = await self.client.get_runs_in_work_queue( File "D:\Raghu\venv\lib\site-packages\prefect\client.py", line 918, in get_runs_in_work_queue response = await self._client.post( File "D:\Raghu\venv\lib\site-packages\httpx\_client.py", line 1842, in post return await self.request( File "D:\Raghu\venv\lib\site-packages\httpx\_client.py", line 1527, in request return await self.send(request, auth=auth, follow_redirects=follow_redirects) File "D:\Raghu\venv\lib\site-packages\prefect\client.py", line 257, in send await super().send(*args, **kwargs) File "D:\Raghu\venv\lib\site-packages\httpx\_client.py", line 1614, in send response = await self._send_handling_auth( File "D:\Raghu\venv\lib\site-packages\httpx\_client.py", line 1642, in _send_handling_auth response = await self._send_handling_redirects( File "D:\Raghu\venv\lib\site-packages\httpx\_client.py", line 1679, in _send_handling_redirects response = await self._send_single_request(request) File "D:\Raghu\venv\lib\site-packages\httpx\_client.py", line 1716, in _send_single_request response = await transport.handle_async_request(request) File "D:\Raghu\venv\lib\site-packages\httpx\_transports\default.py", line 353, in handle_async_request resp = await self._pool.handle_async_request(req) File "D:\Raghu\Python\lib\contextlib.py", line 137, in exit self.gen.throw(typ, value, traceback) File "D:\Raghu\venv\lib\site-packages\httpx\_transports\default.py", line 77, in map_httpcore_exceptions raise mapped_exc(message) from exc httpx.ReadError 001537.466 | INFO | prefect.agent - Submitting flow run '48ede090-c668-444e-8e67-1cb4a9837101' 001541.737 | INFO | prefect.infrastructure.process - Opening process 'natural-seagull'... 001541.811 | INFO | prefect.agent - Completed submission of flow run '48ede090-c668-444e-8e67-1cb4a9837101' 001546.709 | INFO | prefect.engine - Created flow run 'hopping-parrot' for flow 'print-pipeline-hour' 001546.836 | ERROR | Flow run 'hopping-parrot' - Crash detected! Execution was interrupted by an unexpected exception. 001546.898 | ERROR | Flow run 'natural-seagull' - Flow could not be retrieved from deployment.

Hi, I'm OOO. Could you open a GitHub issue showing the Prefect version you used and build a minimal example that results in this error? Thanks in advance

Hi, thanks. Filed: https://github.com/PrefectHQ/prefect/issues/6700