Version-Release number of selected component:
python3-nbconvert-5.3.1-3.fc27

Additional info:
reporter:       libreport-2.9.3
cmdline:        /usr/bin/python3 /usr/bin/jupyter-nbconvert --log-level WARN --to notebook --execute --ExecutePreprocessor.timeout=300 --stdout '/home/vesely/PsyNeuLink/tutorial/PsyNeuLink Tutorial.ipynb'
crash_function: resolve
exception_type: pkg_resources.DistributionNotFound
executable:     /usr/bin/jupyter-nbconvert
kernel:         4.15.8-300.fc27.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
__init__.py:870:resolve:pkg_resources.DistributionNotFound: The 'bleach' distribution was not found and is required by nbconvert

Traceback (most recent call last):
  File "/usr/bin/jupyter-nbconvert", line 6, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3141, in <module>
    @_call_aside
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3125, in _call_aside
    f(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3154, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 666, in _build_master
    ws.require(__requires__)
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 984, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 870, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'bleach' distribution was not found and is required by nbconvert

Local variables in innermost frame:
new_requirement: Requirement.parse('mistune>=0.7.4')
new_requirements: []
requirers: {'nbconvert'}
ws: <pkg_resources.WorkingSet object at 0x7f989070a2b0>
dist: None
req: Requirement.parse('bleach')
required_by: defaultdict(<class 'set'>, {Requirement.parse('testpath'): {'nbconvert'}, Requirement.parse('pandocfilters>=1.4.1'): {'nbconvert'}, Requirement.parse('bleach'): {'nbconvert'}, Requirement.parse('entrypoints>=0.2.2'): {'nbconvert'}, Requirement.parse('nbformat>=4.4'): {'nbconvert'}, Requirement.parse('jupyter_core'): {'nbconvert'}, Requirement.parse('traitlets>=4.2'): {'nbconvert'}, Requirement.parse('pygments'): {'nbconvert'}, Requirement.parse('jinja2'): {'nbconvert'}, Requirement.parse('mistune>=0.7.4'): {'nbconvert'}})
req_extras: {Requirement.parse('testpath'): (), Requirement.parse('pandocfilters>=1.4.1'): (), Requirement.parse('bleach'): (), Requirement.parse('entrypoints>=0.2.2'): (), Requirement.parse('nbformat>=4.4'): (), Requirement.parse('jupyter_core'): (), Requirement.parse('traitlets>=4.2'): (), Requirement.parse('pygments'): (), Requirement.parse('jinja2'): (), Requirement.parse('mistune>=0.7.4'): ()}
to_activate: [nbconvert 5.3.1 (/usr/lib/python3.6/site-packages), testpath 0.3.1 (/usr/lib/python3.6/site-packages), pandocfilters 1.4.1 (/usr/lib/python3.6/site-packages)]
best: {'bleach': None}
processed: {Requirement.parse('nbconvert==5.3.1'): True, Requirement.parse('testpath'): True, Requirement.parse('pandocfilters>=1.4.1'): True}
extras: None
replace_conflicting: False
installer: None
env: <pkg_resources.Environment object at 0x7f98906c9ef0>
requirements: [Requirement.parse('entrypoints>=0.2.2'), Requirement.parse('nbformat>=4.4'), Requirement.parse('jupyter_core'), Requirement.parse('traitlets>=4.2'), Requirement.parse('pygments'), Requirement.parse('jinja2'), Requirement.parse('mistune>=0.7.4')]
self: <pkg_resources.WorkingSet object at 0x7f989070a2b0>