Specify which version of python duplicity should use

Question

I've got a backup script that utilizes duplicity to upload to Dropbox. It's erroring out because the dropbox-python-sdk version required, 6.9.0, uses the keyword async which is now reserved in python3. I have both python3 and python2.7 installed on my system, but duplicity is automatically using python3. How can I configure my system, this script, or duplicity, to specifically run python2.7 (in this case, /usr/bin/pthyon)?

Garo · Answer

I don't know duplicity but if it's only 1 script or a combination of a tiny number of scripts then changing #!/usr/bn/python to #!/usr/bin/python3 on the 1st line of the script should do the trick.
Otherwise you can change the symlink /usr/bin/python points to. On most distro's there is a 'clean' way to do this but the following will work everywhere:sudo ln -sf $(which python3) /usr/bin/python

Specify which version of python duplicity should use

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