MAINT: remove dead gain/bits/value_range fields from _read_header in … - #14047
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scott-huberty merged 3 commits intoJul 13, 2026
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PragnyaKhandelwal
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July 13, 2026 08:44
PragnyaKhandelwal
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July 13, 2026 08:44
scott-huberty
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Normally I'd add a "no changelog needed" label to this PR, because it only affects a private function that is not relevant to users or our API - but since the tests are already green, let's just merge!
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will take care of it from now onwards... |
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* upstream/main: Make scrollbar handlers draggable (mne-tools#14040) [pre-commit.ci] pre-commit autoupdate (mne-tools#14052) Warn when Epochs events fall outside the raw data range (mne-tools#12989) (mne-tools#14004) Ensure epochs being concatenated have compatible event ids (mne-tools#14051) Widen main content area (mne-tools#14015) MAINT: remove dead gain/bits/value_range fields from _read_header in … (mne-tools#14047) ENH: replace `_get_blocks` binary reader with mffpy Reader API (mne-tools#14043) MAINT: Update dependency specifiers (mne-tools#14048) [dependabot]: Bump the actions group with 2 updates (mne-tools#14049) Simplify doc building with more refleak (mne-tools#14045) ENH: add overlay Brain GUI (mne-tools#14031) ENH: support multiple simultaneous overlays in Brain.add_data (mne-tools#13995) Add option to show a zero line in browser (mne-tools#14018) FIX: pass cmap name string not tuple to interactive topomap slider kwargs (mne-tools#14039) Doc/add ai policy pointer (mne-tools#14037) Allow subclasses of FigureClass to be passed to plot_raw/plot_epochs (mne-tools#13979) MAINT: Replace manual PNS binary block reader in `_read_segment_file` with `mffpy` (mne-tools#14030)
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* upstream/main: (206 commits) Improve type checks (mne-tools#14036) Make scrollbar handlers draggable (mne-tools#14040) [pre-commit.ci] pre-commit autoupdate (mne-tools#14052) Warn when Epochs events fall outside the raw data range (mne-tools#12989) (mne-tools#14004) Ensure epochs being concatenated have compatible event ids (mne-tools#14051) Widen main content area (mne-tools#14015) MAINT: remove dead gain/bits/value_range fields from _read_header in … (mne-tools#14047) ENH: replace `_get_blocks` binary reader with mffpy Reader API (mne-tools#14043) MAINT: Update dependency specifiers (mne-tools#14048) [dependabot]: Bump the actions group with 2 updates (mne-tools#14049) Simplify doc building with more refleak (mne-tools#14045) ENH: add overlay Brain GUI (mne-tools#14031) ENH: support multiple simultaneous overlays in Brain.add_data (mne-tools#13995) Add option to show a zero line in browser (mne-tools#14018) FIX: pass cmap name string not tuple to interactive topomap slider kwargs (mne-tools#14039) Doc/add ai policy pointer (mne-tools#14037) Allow subclasses of FigureClass to be passed to plot_raw/plot_epochs (mne-tools#13979) MAINT: Replace manual PNS binary block reader in `_read_segment_file` with `mffpy` (mne-tools#14030) Fix transition bandwidth reported in 'filter too short' error (mne-tools#11406) (mne-tools#14005) ENH: Show the current time as a vertical line in plot_evoked_topo (mne-tools#14032) ...
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Reference issue (if any)
Part of #13926 (Phase 2 — clean up dead header fields).
What does this implement/fix?
Removes three placeholder keys (
gain=0,bits=0,value_range=0) that were hardcoded to zero in_read_headerinsideegimff.pyand never read anywhere in the MFF code path. Calibration in the MFF reader has always been handled viaCAL_SCALES = {"uV": 1e-6, "V": 1}— these fields were copied over from the old simple-binary EGI reader (egi.py) whenegimff.pywas first written and became dead weight once the MFF calibration path was established.Additional information