Problems found
When using pip install to download other packages, it reported an error as shown:
Cue out:"You are using pip version 8.1.1, however version 22.1 is available.
You should consider upgrading via the ‘pip install --upgrade pip’ command.”
According to the prompt, execute "pip install --upgrade pip" still does not work. As shown in the figure:
Then, go online and look for solutions from the general public and find themethod settle an issue：
# Upgrade pip. wget /pip/2.7/ python -V # Upgrade pip3. wget /pip/3.5/ python3 -V
During that time, 2 problems were also encountered:
Issue 1
If you use "pip -V" to check the version after step 1 or 2, you get an error:
“bash: /usr/bin/pip: No such file or directory”
solution, execute the following command:
# Clear the cache hash -r # If clearing the cache doesn't work, do it again sudo apt-get update sudo apt-get upgrade
Issue 2
After upgrading pip and pip3 in that order, I ran "pip -V" and "pip3 -V", and found that pip also pointed to the python 3.5 package, as shown below:
So re-execute "sudo python "It's normal, as shown:
After upgrading pip, you can continue to download other packages.
summarize
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