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I recently installed exposan with the intent to simulate the BSM1 WWTF process. I used pip install exposan --user to avoid needing to uninstall other libraries.
Upon attempting to run from exposan import bsm1 I received the following error:
ModuleNotFoundError Traceback (most recent call last)
Cell In[1], line 1
----> 1 from exposan import bsm1
File ~\AppData\Roaming\Python\Python310\site-packages\exposan\__init__.py:25
22 es_path = os.path.dirname(__file__)
23 del os, pkg_resources
---> 25 from . import utils
File ~\AppData\Roaming\Python\Python310\site-packages\exposan\utils.py:23
21 from chaospy import distributions as shape
22 from thermosteam.functional import rho_to_V
---> 23 from qsdsan import ImpactItem, sanunits as su
24 from qsdsan.utils import time_printer, AttrSetter
25 from . import es_path
File ~\AppData\Roaming\Python\Python310\site-packages\qsdsan\__init__.py:72
68 from ._tea import *
69 from ._lca import *
---> 72 from . import (
73 _component,
74 _components,
75 _construction,
76 _equipment,
77 _impact_indicator,
78 _impact_item,
79 _lca,
80 _process,
81 _sanstream,
82 _sanunit,
83 _tea,
84 _transportation,
85 _waste_stream,
86 equipments,
87 processes,
88 sanunits,
89 stats,
90 )
92 utils._secondary_importing()
93 for _slot in utils.doc_examples.__all__:
File ~\AppData\Roaming\Python\Python310\site-packages\qsdsan\sanunits\__init__.py:44
42 from ._encapsulation_bioreactor import *
43 from ._excretion import *
---> 44 from ._heat_exchanging import *
45 from ._junction import *
46 from ._non_reactive import *
File ~\AppData\Roaming\Python\Python310\site-packages\qsdsan\sanunits\_heat_exchanging.py:27
25 from math import ceil, pi
26 from biosteam.units import HXprocess as HXP, HXutility as HXU
---> 27 from biosteam.units.facilities import HeatExchangerNetwork as HXN
28 from biosteam.units.design_tools.specification_factors import material_densities_lb_per_ft3
29 from biosteam.exceptions import bounds_warning, DesignWarning
ModuleNotFoundError: No module named 'biosteam.units.facilities'
Looking at the native _heat_exchanging.py file in QSDsan, it looks like the import lines do not match with the version installed through original pip command.
Native QSDsan File:
from warnings import warn
from math import ceil, pi
from biosteam import HeatExchangerNetwork as HXN, HXprocess as HXP, HXutility as HXU
from biosteam.units.design_tools.specification_factors import material_densities_lb_per_ft3
from biosteam.exceptions import bounds_warning, DesignWarning
from biosteam.units.design_tools import flash_vessel_design
from .. import SanUnit, Construction
from ..utils import auom
Pip download File:
import biosteam as bst
from warnings import warn
from math import ceil, pi
from biosteam.units import HXprocess as HXP, HXutility as HXU
from biosteam.units.facilities import HeatExchangerNetwork as HXN
from biosteam.units.design_tools.specification_factors import material_densities_lb_per_ft3
from biosteam.exceptions import bounds_warning, DesignWarning
from biosteam.units.design_tools import flash_vessel_design
from .. import SanUnit, Construction
from ..utils import auom
Replacing the downloaded block with the native block fixes the error, and I was able to reproduce the dynamic simulation example, though I have not yet tested additional simulations.
Versions of the following packages:
- QSDsan: 1.2.5
- EXPOsan: 1.2.5
- BioSTEAM: 2.37.3
- Thermosteam: 0.35.0
Operating on windows 11
The text was updated successfully, but these errors were encountered:
Thanks @hccroll for reporting this! Yea the pip version is really outdated, biosteam reorganized the modules at some point. I'll leave this issue until I release a new version, which hopefully will happen within the next week.
I recently installed exposan with the intent to simulate the BSM1 WWTF process. I used
pip install exposan --user
to avoid needing to uninstall other libraries.Upon attempting to run
from exposan import bsm1
I received the following error:Looking at the native _heat_exchanging.py file in QSDsan, it looks like the import lines do not match with the version installed through original pip command.
Native QSDsan File:
Pip download File:
Replacing the downloaded block with the native block fixes the error, and I was able to reproduce the dynamic simulation example, though I have not yet tested additional simulations.
Versions of the following packages:
- QSDsan: 1.2.5
- EXPOsan: 1.2.5
- BioSTEAM: 2.37.3
- Thermosteam: 0.35.0
Operating on windows 11
The text was updated successfully, but these errors were encountered: