No support for web dependency: upgrade to python 3.6+

[albertsalgueda]

Traceback (most recent call last):
File "webserver.py", line 6, in
import web
ImportError: No module named web

DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip 21.0 will remove support for this functionality.
ERROR: Could not find a version that satisfies the requirement web (from versions: none)
ERROR: No matching distribution found for web.