BUG: Fix bug with mne browser backend (#12078)

mne-tools · Oct 6, 2023 · 92f5dd8 · 92f5dd8
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diff --git a/doc/changes/devel.rst b/doc/changes/devel.rst
@@ -67,6 +67,7 @@ Bugs
 - Fix :func:`~mne.viz.plot_volume_source_estimates` with :class:`~mne.VolSourceEstimate` which include a list of vertices (:gh:`12025` by `Mathieu Scheltienne`_)
 - Add support for non-ASCII characters in Annotations, Evoked comments, etc when saving to FIFF format (:gh:`12080` by `Daniel McCloy`_)
 - Correctly handle passing ``"eyegaze"`` or ``"pupil"`` to :meth:`mne.io.Raw.pick` (:gh:`12019` by `Scott Huberty`_)
+- Fix bug with :func:`~mne.viz.plot_raw` where changing ``MNE_BROWSER_BACKEND`` via :func:`~mne.set_config` would have no effect within a Python session (:gh:`12078` by `Santeri Ruuskanen`_)
 
 API changes
 ~~~~~~~~~~~

diff --git a/mne/utils/config.py b/mne/utils/config.py
@@ -381,6 +381,10 @@ def set_config(key, value, home_dir=None, set_env=True):
         config[key] = value
         if set_env:
             os.environ[key] = value
+        if key == "MNE_BROWSER_BACKEND":
+            from ..viz._figure import set_browser_backend
+
+            set_browser_backend(value)
 
     # Write all values. This may fail if the default directory is not
     # writeable.