I also encountered this problem, on ubuntu20.04, python3 import piston-mini-client error.
ImportError:cannot import name 're_slash' from 'httplib2' (/usr/lib/python3/dist-packages/httplib2/_init_.py)
Possible solution:
Block "from httplib2 import re_slash" and "filename = re_slash.sub(",".encode('utf-8'), filename)" from "/usr/lib/python3/dist-packages/piston_mini_client/__init__.py".
I also encountered this problem, on ubuntu20.04, python3 import piston-mini-client error.
ImportError:cannot import name 're_slash' from 'httplib2' (/usr/lib/ python3/ dist-packages/ httplib2/ _init_. py)
Possible solution:
Block "from httplib2 import re_slash" and sub("," .encode( 'utf-8' ), filename)" from python3/ dist-packages/ piston_ mini_client/ __init_ _.py".
"filename = re_slash.
"/usr/lib/