On Tuesday, August 15, 2017 at 8:13:19 PM UTC+1, Poul Riis wrote: > Den tirsdag den 15. august 2017 kl. 19.19.15 UTC+2 skrev bream...@gmail.com: > > On Tuesday, August 15, 2017 at 5:23:29 PM UTC+1, Poul Riis wrote: > > > Den tirsdag den 15. august 2017 kl. 07.29.05 UTC+2 skrev dieter: > > > > Poul Riis writes: > > > > > ... > > > > > For some time I have been using python 3.6.0 on a windows computer. > > > > > Suddenly, my numpy does not work any more. > > > > > This one-liner program: > > > > > import numpy as np > > > > > results in the long error message below. > > > > > ... > > > > > Traceback (most recent call last): > > > > > File > > > > > "C:\Users\pr\AppData\Local\Programs\Python\Python36\lib\site-packages\numpy\core\__init__.py", > > > > > line 16, in <module> > > > > > from . import multiarray > > > > > ImportError: DLL load failed: Den angivne procedure blev ikke fundet. > > > > > > > > Apparently, the module "multiarry" is implemented in a separate > > > > DLL (= "Dynamically Loaded Library") and loading this DLL failed. > > > > > > > > There can be several reasons for such a failure, among others: > > > > > > > > * the DLL is missing > > > > > > > > * the DLL is corrupted > > > > > > > > * the DLL depends on something which is missing or corrupted > > > > > > > > * there is a version mismatch (e.g. between the DLL and the Python > > > > trying to load it) > > > > > > > > > > > > An initial step could be to try to reinstall "numpy" and > > > > see whether the problem goes away. > > > > > > I have reinstalled numpy several times - doesn't help. > > > > The short answer is you need to upgrade Python, not numpy. > > > > For the long answer please see > > https://stackoverflow.com/questions/44537131/numpy-library-importerror-dll-load-failed-the-specified-procedure-could-not-be > > which in turn refers to https://bugs.python.org/issue29943. > > > > Kindest regards. > > > > Mark Lawrence. > > I mentioned in my original question that I have tried Python 3.6.2 and that > it indeed had no problems with numpy but that it on the other hand gave rize > to another problem, namely failing installation of vtk (pip says 'Couldn't > find a version that satisfies the requirement vtk'. > > Poul Riis
Pip won't know anything about VTK, you have to download it yourself from http://www.vtk.org/. Kindest regards. Mark Lawrence. -- https://mail.python.org/mailman/listinfo/python-list
