What Do I Do If "Could not find a version that satisfies the requirement xxx" Is Displayed During pip3 install Execution?

Symptom

During dependency installation, running the pip3 install xxx command to install related software reports a network access failure and outputs the message "Could not find a version that satisfies the requirement xxx." Run the apt-get update command to check whether the software source is available. The error message is displayed as follows.

Figure 1 Message displayed upon installation using pip3.7.5

Possible Cause

The pip source is not configured.

Solution

Configure the pip source as follows:

1. Run the following command as the ATC installation user.

   cd ~/.pip

   If a message indicating that the directory does not exist is displayed, run the following commands to create a directory.

   mkdir ~/.pip 
   cd ~/.pip

   Run the following command to create a pip.conf file in the .pip directory.

   touch pip.conf

2. Edit the pip.conf file.

   Run the vi pip.conf command to open the pip.conf file. Write the following content, then save the file and exit.

   [global]
   #Configure the source as required.
   index-url=http://xxx
   [install]
   #Configure the trusted host as required.
   trusted-host=xxx