Error when using colour import on Win10 Python 3.7.9 about colour-demosaicing

[KelSolaar]

Hi @gennadyg,

Can you let us know how you installed the package(s)? I'm not used to seeing the directory where the colour.__init__ module resides on your system.

Cheers,

Thomas

[gennadyg]

Thanks for checking @KelSolaar,

Just followed github description with a following commands:

pip install --user colour-demosaicing
pip install --user colour-science

colour.init located is here on my Win10:
c:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour_init.py

Thanks.

[KelSolaar]

Cool!

Note that technically, only pip install --user colour-demosaicing should be needed as it will pull-down colour-science-0.3.16 as a dependency.

Would it be possible to print sys.path from within your script and check that c:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-package is effectively listed?

At the top of your script:

import sys
from pprint import pprint

pprint(sys.path)

[gennadyg]

Hi @KelSolaar

That what I'm getting from output in VS code(also added "import colour"):

['c:\\IdeaProjects\\spark-rosbag\\src\\spark\\raw12_converter', 'C:\\Program ' 'Files\\WindowsApps\\PythonSoftwareFoundation.Python.3.7_3.7.2544.0_x64__qbz5n2kfra8p0\\python37.zip', 'C:\\Program ' 'Files\\WindowsApps\\PythonSoftwareFoundation.Python.3.7_3.7.2544.0_x64__qbz5n2kfra8p0\\DLLs', 'C:\\Program ' 'Files\\WindowsApps\\PythonSoftwareFoundation.Python.3.7_3.7.2544.0_x64__qbz5n2kfra8p0\\lib', 'C:\\Program ' 'Files\\WindowsApps\\PythonSoftwareFoundation.Python.3.7_3.7.2544.0_x64__qbz5n2kfra8p0', 'C:\\Users\\gegilin\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python37\\site-packages', 'C:\\Users\\gegilin\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python37\\site-packages\\win32', 'C:\\Users\\gegilin\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python37\\site-packages\\win32\\lib', 'C:\\Users\\gegilin\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python37\\site-packages\\Pythonwin', 'C:\\Program ' 'Files\\WindowsApps\\PythonSoftwareFoundation.Python.3.7_3.7.2544.0_x64__qbz5n2kfra8p0\\lib\\site-packages'] PS C:\IdeaProjects\spark-rosbag\src\spark\raw12_converter> c:; cd 'c:\IdeaProjects\spark-rosbag\src\spark\raw12_converter'; & 'C:\Users\gegilin\AppData\Local\Microsoft\WindowsApps\python.exe' 'c:\Users\gegilin\.vscode\extensions\ms-python.python-2020.12.424452561\pythonFiles\lib\python\debugpy\launcher' '56550' '--' 'c:\IdeaProjects\spark-rosbag\src\spark\raw12_converter\Colour-demosaic-test.py' Traceback (most recent call last): File "c:\IdeaProjects\spark-rosbag\src\spark\raw12_converter\Colour-demosaic-test.py", line 3, in <module> import colour File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\__init__.py", line 57, in <module> from .adaptation import (CHROMATIC_ADAPTATION_METHODS, File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\adaptation\__init__.py", line 39, in <module> File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\adaptation\fairchild1990.py", line 23, in <module> PS C:\IdeaProjects\spark-rosbag\src\spark\raw12_converter> c:; cd 'c:\IdeaProjects\spark-rosbag\src\spark\raw12_converter'; & 'C:\Users\gegilin\AppData\Local\Microsoft\WindowsApps\python.exe' 'c:\Users\gegilin\.vscode\extensions\ms-python.python-2020.12.424452561\pythonFiles\lib\python\debugpy\launcher' '56566' '--' 'c:\IdeaProjects\spark-rosbag\src\spark\raw12_converter\Colour-demosaic-test.py' Traceback (most recent call last): File "c:\IdeaProjects\spark-rosbag\src\spark\raw12_converter\Colour-demosaic-test.py", line 3, in <module> import colour File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\__init__.py", line 57, in <module> from .adaptation import (CHROMATIC_ADAPTATION_METHODS, File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\adaptation\__init__.py", line 39, in <module> from .fairchild1990 import chromatic_adaptation_Fairchild1990 File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\adaptation\fairchild1990.py", line 23, in <module> from colour.algebra import spow File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\algebra\__init__.py", line 16, in <module> from .interpolation import ( File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\algebra\interpolation.py", line 65, in <module> import scipy.interpolate File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\__init__.py", line 130, in <module> from . import _distributor_init File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\_distributor_init.py", line 61, in <module> WinDLL(os.path.abspath(filename)) File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2544.0_x64__qbz5n2kfra8p0\lib\ctypes\__init__.py", line 364, in __init__ self._handle = _dlopen(self._name, mode) OSError: [WinError 126] The specified module could not be found PS C:\IdeaProjects\spark-rosbag\src\spark\raw12_converter>

Thanks,

[KelSolaar]

Hi @gennadyg,

Thanks, this is useful! So after unrolling the last line(s), I got this traceback:

Traceback (most recent call last):

File "c:\IdeaProjects\spark-rosbag\src\spark\raw12_converter\Colour-demosaic-test.py",
    line 3, in <module> import colour 
File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\__init__.py",
    line 57, in <module> from .adaptation import (CHROMATIC_ADAPTATION_METHODS, 
File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\adaptation\__init__.py",
    line 39, in <module> from .fairchild1990 import chromatic_adaptation_Fairchild1990 
File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\adaptation\fairchild1990.py",
    line 23, in <module> from colour.algebra import spow 
File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\algebra\__init__.py",
    line 16, in <module> from .interpolation import ( 
    File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\colour\algebra\interpolation.py",
        line 65, in <module> import scipy.interpolate 
File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\__init__.py",
    line 130, in <module> from . import _distributor_init 
File "C:\Users\gegilin\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.7_qbz5n2kfra8p0\LocalCache\local-packages\Python37\site-packages\scipy\_distributor_init.py",
    line 61, in <module> WinDLL(os.path.abspath(filename)) 
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.7_3.7.2544.0_x64__qbz5n2kfra8p0\lib\ctypes\__init__.py",
    line 364, in __init__ self._handle = _dlopen(self._name, mode) OSError: [WinError 126] The specified module could not be found

It seems like your Scipy installation is somehow busted. Can you confirm you are able to import scipy?

Cheers,

Thomas

[gennadyg]

Hi Thomas,

Indeed have some environment problem about Scipy, unable to make import scipy with the same error, will investigate how to fix this in my environment.
Thanks a lot for pointing this out.