Bugfix for live fits (#4881)

* Have Live supervision script check active ifos

* pass ifos

* Only do daily fits for ifos with data

* Add comment

bin/live/pycbc_live_supervise_collated_trigger_fits

@@ -20,6 +20,7 @@ from lal import gpstime
 import pycbc
 from pycbc.live import supervision as sv
 from pycbc.types.config import InterpolatingConfigParser as icp
+from pycbc.io import HFile
 
 
 def read_options(args):
@@ -112,6 +113,16 @@ def trigger_collation(
     return trig_merge_file
 
 
+def get_active_ifos(trigger_file):
+    """
+    Get the active ifos from the trigger file
+    """
+    with HFile(trigger_file, 'r') as f:
+        ifos = [ifo for ifo in f.keys() if 'snr' in f[ifo].keys()]
+    logging.info("Interferometers with data: %s", ' '.join(ifos))
+    return ifos
+
+
 def fit_by_template(
         trigger_merge_file,
         day_str,
@@ -150,7 +161,7 @@ def find_daily_files(
     """
     log_str = f"Finding files in {daily_files_dir} with format {daily_fname_format}"
     if ifo is not None:
-        log_str += f"in detector {ifo}"
+        log_str += f" in detector {ifo}"
     logging.info(log_str)
     combined_days = int(combined_control_options['combined-days'])
 
@@ -656,7 +667,13 @@ def supervise_collation_fits_dq(args, day_dt, day_str):
         )
     # Store the locations of files needed for the statistic
     stat_files = []
-    for ifo in config_opts['control']['ifos'].split():
+
+    # daily fits should only be done for IFOs that had data
+    # and were included in the config file
+    all_ifos = controls['ifos'].split()
+    active_ifos = get_active_ifos(merged_triggers)
+    active_ifos = [ifo for ifo in active_ifos if ifo in all_ifos]
+    for ifo in active_ifos:
         if args.fit_by_template:
             # compute and plot daily template fits
             fbt_file, date_str = fit_by_template(
@@ -696,6 +713,7 @@ def supervise_collation_fits_dq(args, day_dt, day_str):
                 controls
             )
 
+    for ifo in all_ifos:
         if args.fit_over_multiparam:
             # compute and plot template fits smoothed over parameter space
             # and combining multiple days of triggers