Description of problem:
was doing some work involving pip upgrade

Version-Release number of selected component:
python3-pip-9.0.3-1.fc28

Additional info:
reporter:       libreport-2.9.4
cmdline:        /usr/bin/python3 /usr/bin/pip3 install flask flask_sqlalchemy flask_bootstrap flask_wtf
crash_function: module
exception_type: ImportError
executable:     /usr/bin/pip3
interpreter:    python3-3.6.5-1.fc28.x86_64
kernel:         4.16.3-301.fc28.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
pip3:7:<module>:ImportError: cannot import name 'main'

Traceback (most recent call last):
  File "/usr/bin/pip3", line 7, in <module>
    from pip import main
ImportError: cannot import name 'main'

Local variables in innermost frame:
__name__: '__main__'
__doc__: None
__package__: None
__loader__: <_frozen_importlib_external.SourceFileLoader object at 0x7fe50d116c50>
__spec__: None
__annotations__: {}
__builtins__: <module 'builtins' (built-in)>
__file__: '/usr/bin/pip3'
__cached__: None
re: <module 're' from '/usr/lib64/python3.6/re.py'>
sys: <module 'sys' (built-in)>

Potential duplicate: bug 1569488