* Allow specification of file for default

* Simplify if condition

* Add wms_control tests

* Add more mscolab tests

* Add mpl_qtwidget coverage

* Add mss_pyui coverage

* Add transparency, noframe and xml checks

* Add more wms tests

* Test import with plugins

* Add linearview tests

* Add more multilayering tests

* Revert to old testing.yml

* Leave no dangling windows

* Remove todo, move ConnectionError to bottom

Co-authored-by: ReimarBauer <rb.proj@gmail.com>

* removed functions from thermolib.py

functions to be replaced by metpy were removed

* fixed: flake8

* fixed: flake8

* migrated to metpy functions

Co-Authored-By: J. Ungermann <28449201+joernu76@users.noreply.github.com>

* Fixed: flake8

* Fixed: flake8

* Fixed tests

* Fixed: flake8

* Fixed: failing tests

* Ficed: tests

* Units discarded upon returning results

Co-Authored-By: J. Ungermann <28449201+joernu76@users.noreply.github.com>

* `omega_to_w` migrated to metpy

Co-authored-by: ReimarBauer <rb.proj@gmail.com>
Co-authored-by: J. Ungermann <28449201+joernu76@users.noreply.github.com>

* updated documentation

* improved install/update procedure

Co-authored-by: Reimar Bauer <rb.proj@gmail.com>

* .format replaced with f" string

* updated copyright year

Co-authored-by: ReimarBauer <rb.proj@gmail.com>

* fixed tableview not opening bug; added test

* added raising of mscolab window after closing view

* preparation of v4.0.1

* updated install instruction

Co-authored-by: J. Ungermann <j.ungermann@fz-juelich.de>

Stable to develop

* Return proper unit for eq. potential temperature (degC->K)
* Do not assume units of pressure levels for several old plotting
  styles.
* Fix values of geopotential altitude in demodata

* issue #719 solved

* updated development.rst

* updated development.rst

Co-authored-by: ReimarBauer <rb.proj@gmail.com>

Co-authored-by: J. Ungermann <j.ungermann@fz-juelich.de>

…1061)

Fix #1066

See #1066