Pip install Numpy Errors

Question

I tried to upgrade pandas from 19.2 to 20.2

I did pip -install --upgrade pandas and it ran successfully. However, now when I try to import pandas I get:

    "Missing required dependencies {0}".format(missing_dependencies))
ImportError: Missing required dependencies ['numpy']

I uninstall and re-install numpy with pip uninstall numpy and pip install numpy. But it seems like numpy is using a cashed version. I did install numpy MKL a while back....:

C:\Windows\System32>pip install numpy
Collecting numpy
  Using cached numpy-1.13.0-cp36-none-win32.whl
Installing collected packages: numpy
Successfully installed numpy-1.13.0

How do i install the "normal" version of numpy? As I believe this cached version is causing the issues

try upgrading, pip install --upgrade numpy

Stack
– Stack

2017-06-15 14:04:07 +00:00
Commented Jun 15, 2017 at 14:04 — Stack
– Stack, Commented Jun 15, 2017 at 14:04

Wool · Accepted Answer · 2017-06-15 14:04:31Z

2

Go to this link and download the relevant numpy .whl file:

http://www.lfd.uci.edu/~gohlke/pythonlibs/

Then navigate to the directory from which it is downloaded to and run the pip install command for that file.

Hope this helps!

answered Jun 15, 2017 at 14:04

Wool

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1 Comment

Wool Over a year ago

Didn't mean to delete this answer. Glad it helped :)

Drahoš Maďar · Accepted Answer · 2017-06-15 14:04:55Z

1

Do you use anaconda ? Try to run this script in cmd :

"conda install numpy"

Another solution might be to delete .pyc file your python project created. Python interpreter compiles source to byte code, which is stored in .pyc and byte code is afterwars executed by Pythons virtual machine.

answered Jun 15, 2017 at 14:04

Drahoš Maďar

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3 Comments

MattR Over a year ago

I don't use anaconda. but I also looked for the .pyc files as in other posts. Couldn't find any. Any idea where some might be hiding?

MattR Over a year ago

solved the solution using the other poster's answer. But he deleted.

Drahoš Maďar Over a year ago

For python 2.7 - next to .py file, for python 3 - in pycache directory. more info docs.python.org/dev/whatsnew/…

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