Description of problem:
entered this into bash cli: git clone https://github.com/mozilla-iot/docs.git
then, opened git-cola from the application menu from gnome desktop

Version-Release number of selected component:
git-cola-3.4-1.fc30

Additional info:
reporter:       libreport-2.10.1
cmdline:        /usr/bin/python3 /usr/bin/git-cola --prompt
crash_function: module
exception_type: ModuleNotFoundError
executable:     /usr/bin/git-cola
interpreter:    python3-3.7.4-1.fc30.x86_64
kernel:         5.0.9-301.fc30.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
#1 [/usr/share/git-cola/lib/qtpy/__init__.py:172] <module>