More clever way to find the run number with most information to initialize the DQM Bokeh app

Author: jlenain

src/nectarchain/dqm/bokeh_app/main.py

@@ -60,18 +60,8 @@ def update_camera_displays(attr, old, new):
 runids = sorted(list(db.keys()))
 
 # First, get the run id with the most populated result dictionary
-runid_max = runids[-1]
-largest = 0
-for runid in runids:
-    larger = 0
-    for k in db[runid].keys():
-        length = len(db[runid][k])
-        if length > larger:
-            larger = length
-    if larger > largest:
-        largest = larger
-        runid_max = runid
-runid = runid_max
+run_dict_lengths = [len(db[r].keys()) for r in runids]
+runid = runids[np.argmax(run_dict_lengths)]
 
 # runid_input = NumericInput(value=db.root.keys()[-1], title="NectarCAM run number")
 run_select = Select(value=runid, title="NectarCAM run number", options=runids)