Jakub Vedral
01/29/2021, 12:54 PMFailed to load and execute Flow's environment: ModuleNotFoundError("No module named 'C'")
Can anybody tell me some hint where to look for a cause? googling did not help... 😞
More details in thread.Greg Roche
01/29/2021, 4:02 PMJakub Vedral
01/29/2021, 4:03 PMFailed to load and execute Flow's environment: ModuleNotFoundError("No module named 'C'")
Traceback (most recent call last):
File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/usr/lib/python3.7/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/prefect/__main__.py", line 4, in <module>
cli()
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/click/core.py", line 829, in __call__
return self.main(*args, **kwargs)
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/click/core.py", line 782, in main
rv = self.invoke(ctx)
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/click/core.py", line 1259, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/click/core.py", line 1259, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/click/core.py", line 1066, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/click/core.py", line 610, in invoke
return callback(*args, **kwargs)
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/prefect/cli/execute.py", line 90, in flow_run
raise exc
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/prefect/cli/execute.py", line 67, in flow_run
flow = storage.get_flow(flow_data.name)
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/prefect/storage/local.py", line 104, in get_flow
return extract_flow_from_module(module_str=flow_location)
File "/home/jakub_vedral/prefect-env/lib/python3.7/site-packages/prefect/utilities/storage.py", line 131, in extract_flow_from_module
module = importlib.import_module(module_name)
File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'C'
flow definition:
from datetime import timedelta
from prefect import Flow
from prefect.schedules import IntervalSchedule
from prefect import task
@task(name="test")
def test():
return "Hi!"
with Flow("Test Run",IntervalSchedule(interval=timedelta(hours=4)),validate =True) as f:
test()
f.register(project_name="test",labels=["production"])
Prefect server is running on my GCP instance under virtualenv - Linux prefect-prod 4.19.0-13-cloud-amd64 #1 SMP Debian 4.19.160-2 (2020-11-28) x86_64
pip packages of server instancne:
cached-property==1.5.2
certifi==2020.12.5
cffi==1.14.4
chardet==4.0.0
click==7.1.2
cloudpickle==1.6.0
croniter==0.3.37
dask==2021.1.1
distributed==2021.1.1
docker==4.4.1
HeapDict==1.0.1
idna==2.10
importlib-resources==5.1.0
marshmallow==3.10.0
marshmallow-oneofschema==2.1.0
msgpack==1.0.2
mypy-extensions==0.4.3
natsort==7.1.1
pendulum==2.1.2
pkg-resources==0.0.0
prefect==0.14.5
psutil==5.8.0
pycparser==2.20
pygit2==1.5.0
python-box==5.2.0
python-dateutil==2.8.1
python-slugify==4.0.1
pytz==2020.5
pytzdata==2020.1
PyYAML==5.4.1
requests==2.25.1
six==1.15.0
sortedcontainers==2.3.0
tabulate==0.8.7
tblib==1.7.0
text-unidecode==1.3
toml==0.10.2
toolz==0.11.1
tornado==6.1
urllib3==1.26.3
websocket-client==0.57.0
zict==2.0.0
zipp==3.4.0
Zanie
01/29/2021, 4:42 PMLocal
storage is explicitly defined.Jakub Vedral
01/29/2021, 4:47 PMZanie
01/29/2021, 4:48 PMflow.storage = Local()
and reregistering?prefect diagnostics
on the machine where you are registering the flow?Jakub Vedral
01/29/2021, 4:57 PMZanie
01/29/2021, 5:04 PMflow.storage.path
?C:\….
which is a windows path and it’s not found on the file system where your agent is running so it tries to load it from a moduleJakub Vedral
01/29/2021, 5:07 PMZanie
01/29/2021, 5:08 PMJakub Vedral
01/29/2021, 5:08 PMZanie
01/29/2021, 5:10 PMJakub Vedral
01/29/2021, 5:11 PMZanie
01/29/2021, 5:12 PMJakub Vedral
01/29/2021, 8:06 PM