mainly whitespace, but also some generic qol improvements

src/analysis/intergroupbrainimage.py

@@ -68,13 +68,13 @@ DESCRIPTION = """\n1. Group Contrast 2D/3D (plot_2d_3d_contrasts_between_groups)
 class InterGroupBrainImageWidget(InterGroupUIMixin, FlaresBaseWidget):
     def __init__(
         self,
-        haemo_dict: dict[str, BaseRaw], 
+        haemo_dict: dict[str, BaseRaw],
         df_ind_dict: dict[str, DataFrame],
         design_matrix_dict: dict[str, DataFrame],
         contrast_results_dict: dict[str, dict[str, Any]],
         group_dict: dict[str, str],
     ) -> None:
-        
+
         super().__init__("InterGroupBrainImage")
         self.setWindowTitle(f"Inter-Group Brain & Image Viewer - {APP_NAME.upper()}")
         self.haemo_dict = haemo_dict
@@ -87,7 +87,7 @@ class InterGroupBrainImageWidget(InterGroupUIMixin, FlaresBaseWidget):
 
 
     def process_request(self):
-              
+
         request = self.get_common_request_data(PARAMETERIZED_INDEXES)
         if request is None:
             return
@@ -122,7 +122,7 @@ class InterGroupBrainImageWidget(InterGroupUIMixin, FlaresBaseWidget):
         print("contrast_df_b empty?", contrast_df_b.empty)
 
         all_raw_objs = [self.haemo_dict.get(fp) for fp in all_selected_paths if self.haemo_dict.get(fp)]
-        
+
         if len(all_raw_objs) > 1:
             processed_raw = aggregate_fnirs_group_geometry(all_raw_objs)
         elif len(all_raw_objs) == 1 and all_raw_objs[0] is not None: