How to Fix the PIP SSL Error: 'SSL: TLSV1_ALERT_PROTOCOL_VERSION'?

PIP SSL Error: "SSL: TLSV1_ALERT_PROTOCOL_VERSION"

Problem:
When attempting to install Python packages using pip, an SSL error is encountered, particularly with the message "[SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version."

Explanation:
This error stems from a TLS version deprecation for pip. Python.org sites no longer support TLS versions 1.0 and 1.1, leading to TLS protocol version mismatch errors.

Solution:
1. Upgrade Pip Externally:

Run the following command to upgrade pip using a direct download and installation method:

curl https://bootstrap.pypa.io/get-pip.py | python

Note: If using a virtual environment, you may need to prefix the command with sudo python.

2. Upgrade Pip in PyCharm (Virtualenv):

• Activate the virtual environment in a shell:

source ./venv/bin/activate

• Execute the upgrade command:

curl https://bootstrap.pypa.io/get-pip.py | python

• Restart PyCharm and confirm the upgraded Python interpreter in Preferences.

After upgrading pip, it should resolve the TLS protocol version mismatch error and allow you to install Python packages successfully.

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