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"Pyaudio" pip install fails for every package even after upgrading pip

I downloaded the package PyAudio-0.2.11-cp39-cp39-win_amd64 and copied it in the script file in python 3.9 directory, but when i tried to install the pack pip throws me errors
ERROR: No matching distribution found for PyAudio-0.2.11-cp39-cp39-win_amd64
I tried to upgrade pip as a solution that i found it here in Stack :
pip install --upgrade pip
then:
pip install PyAudio-0.2.11-cp39-cp39-win_amd64
but pip keeps failing with an this Error :
ERROR: Could not find a version that satisfies the requirement PyAudio-0.2.11-cp39-cp39-win_amd64
`ERROR: No matching distribution found for PyAudio-0.2.11-cp39-cp39-win_amd64`
I also tried
pip install pipwin
pipwin install pyaudio
is there any other solutions please ?

Maximum officially supported version of python for pyaudio is 3.6; quoting from the Installation page:
Microsoft Windows
Install using pip:
python -m pip install pyaudio
Notes:
If pip is not already bundled with your installation of Python, get it
here. pip will fetch and install PyAudio wheels (prepackaged
binaries). Currently, there are wheels compatible with the official
distributions of Python 2.7, 3.4, 3.5, and 3.6. For those versions,
both 32-bit and 64-bit wheels are available.
You could read about installing different versions of the python on your machine and use it with 3.6 version of python without any errors

I am getting pip version upgrade message while installing pygmaps

I am getting this error while installing pygmaps package in pycharm.
Could not find a version that satisfies the requirement pygmaps (from versions: )
No matching distribution found for pygmaps
You are using pip version 10.0.1, however version 19.1.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
I have already upgraded pip version to 19.1.1, but still showing this error.

pip install git+https://github.com/thearn/pygmaps-extended can you try this one ?
if it doesnt work
https://code.google.com/archive/p/pygmaps/downloads go to this link and download it manually and add to your site-packages

Cannot install packages using pip

When i tried to install openCV using pip3 install opencv-python i got this error
Could not find a version that satisfies the requirement opencv-python (from versions: )
No matching distribution found for opencv-python
i have tried upgrading pip using
pip install --upgrade pip
and
curl https://bootstrap.pypa.io/get-pip.py | python
none of them helped me and pip is up to date
tried to download and compile opencv manually gives me bunch of errors
python version -2.7,3.6.2
pip version- up to date
raspberry pi 2

Normally this information means that your python version or OS version not compatible with any openCV version which pip can find on the internet.
Could not find a version that satisfies the requirement opencv-python (from versions: ) No matching distribution found for opencv-python
So, please check your python version (include 32bit or 64bit) and OS type, version, and then try pip again.
I use python3.6.5 32bit(virtualenv), windows 10 64bit install openCV succeed.

https://pypi.org/project/opencv-python/ says: "Note that the wheel (especially manylinux) format does not currently support properly ARM architecture so there are no packages for ARM based platforms in PyPI. However, opencv-python packages for Raspberry Pi can be found from https://www.piwheels.org/."

No matching distribution found for coremltools==0.8 (from turicreate)

I'm trying to install turicreate beta 2 (version 5.0b2) on an old mac (El Capitan) but the terminal throws this:
Could not find a version that satisfies the requirement turicreate==5.0b2 (from versions: 4.1, 4.1.1, 4.2)
No matching distribution found for turicreate==5.0b2
When I enter this:
sudo python3.6 -m pip install turicreate==5.0b2
or this: pip3 install turicreate==5.0b2
So I tried to install the "basic" version (sudo python3.6 -m pip install turicreate,python3.6 -m pip install turicreate, pip3 install -U turicreate, pip3 install turicreate), but this time, the error was:
Could not find a version that satisfies the requirement coremltools==0.8 (from turicreate) (from versions: )
No matching distribution found for coremltools==0.8 (from turicreate)
Do anyone know if it is possible to install turicreate on El Capitan an how to do it ?

I had that same coremltools==0.8 error running pip install turicreate on Mac 10.11 (El Capitan). I was able to solve it fool myself into thinking I'd solved it by compiling and installing coremltools from source. See https://stackoverflow.com/a/55327526/1014857 for those steps.
But turicreate didn't actually work at that point. Running import turicreate in python gave an error (from turicreate's cypython files) about linking to a library built for 10.12.
I even tried building turicreate from source, but there was a dense thicket of dependencies. Eventually I came to my senses and just upgraded to Mac OSX >= 10.12, which was a much easier route.

pip install pygmaps python

I am trying to instal pygmaps for my Python 3.5:
pip install pygmaps
I am getting this message:
Could not find a version that satisfies the requirement pygmaps (from versions: ) No matching distribution found for pygmaps

You tried to install the old version of pygmaps. Here the newest https://github.com/thearn/pygmaps-extended
For installing from git use this command:
pip install git+https://github.com/thearn/pygmaps-extended

pip downloads from PyPI and there is nothing to download from https://pypi.python.org/pypi/pygmaps
Go to https://code.google.com/archive/p/pygmaps/downloads, download pygmaps-0.1.1.tar.gz, unpack it and install.