Для справки: $ cat /etc/redhat-release ALT Workstation 8.1 Устанавливаю bpython3, всего прилетает 33 пакета по зависимостям. Далее запускаю в консоли bpython3, наблюдаю такой Traceback: $ bpython3 Traceback (most recent call last): File "/usr/bin/bpython3", line 5, in <module> from pkg_resources import load_entry_point File "/usr/lib/python3/site-packages/pkg_resources/__init__.py", line 3084, in <module> @_call_aside File "/usr/lib/python3/site-packages/pkg_resources/__init__.py", line 3070, in _call_aside f(*args, **kwargs) File "/usr/lib/python3/site-packages/pkg_resources/__init__.py", line 3097, in _initialize_master_working_set working_set = WorkingSet._build_master() File "/usr/lib/python3/site-packages/pkg_resources/__init__.py", line 651, in _build_master ws.require(__requires__) File "/usr/lib/python3/site-packages/pkg_resources/__init__.py", line 952, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/lib/python3/site-packages/pkg_resources/__init__.py", line 839, in resolve raise DistributionNotFound(req, requirers) pkg_resources.DistributionNotFound: The 'requests' distribution was not found and is required by bpython Далее, устанавливаю ручками python3-module-requests (apt-get install python3-module-requests), прилетает ещё 11 пакетов по зависимостям. И запускаю bpython3: $ bpython3 bpython version 0.14.1 on top of Python 3.5.1 /usr/bin/python3 >>> Вуаля. Предлагаю проверить пакет.