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Pip does not work post installation

HI,
I installed python3.6 and it had pip 9.0.1 installed. Since it suggested me to upgrade pip, I upgraded and then on, the executable always fail to launch.

I had it uninstalled and installed the old version as:
$ python -m pip install pip==9.0.1
Collecting pip==9.0.1
Downloading https://files.pythonhosted.org/packages/b6/ac/7015eb97dc749283ffdec1c3a88ddb8ae03b8fad0f0e611408f196358da3
/pip-9.0.1-py2.py3-none-any.whl (1.3MB)
|################################| 1.3MB 5.1MB/s
Installing collected packages: pip
Found existing installation: pip 19.1.1
Uninstalling pip-19.1.1:
Successfully uninstalled pip-19.1.1
Successfully installed pip-9.0.1

However, the same problem persist.
$ pip -v
?: pip 1: FSUM7351 not found
?: pip 1: FSUM7351 not found
pip 1: FSUM7343 cannot open " ?Ç Ç _ ? Ç/ " for output: EDC5129I No such file or directory.
pip 1: FSUM7343 cannot open "/_ ^^ÇÇ^_/ " for output: EDC5129I No such file or directory.
pip 1: syntax error: got ), expecting Newline

I am new to python on z/OS and any help is greatly appreciated.

Hi,

You can install pip from downloaded python packages directory by using install_package script included in bin directory of the installation.

Please try the following:
pip uninstall pip
cd $PYTHON_HOME
bin/install_package $PKGS_BASE/pip-9.0.1-py36_1 $PYTHON_HOME
cd $PYTHON_HOME/bin
rm -f pip 2> /dev/null
ln -s pip3 pip

Thanks,
Sergey

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