Use the agg backend in all plotting par scripts

src/legenddataflowscripts/par/geds/dsp/dplms.py

@@ -6,6 +6,7 @@
 from pathlib import Path
 
 import lh5
+import matplotlib as mpl
 import numpy as np
 import pygama.math.distributions as pmd  # noqa: F401
 from dbetto.catalog import Props
@@ -25,6 +26,8 @@
     take_table_rows,
 )
 
+mpl.use("agg")  # no display needed; avoids X11 when DISPLAY is set
+
 
 def par_geds_dsp_dplms() -> None:
     """Compute DPLMS optimal filter coefficients for HPGe detectors.

src/legenddataflowscripts/par/geds/dsp/eopt.py

@@ -7,6 +7,7 @@
 from pathlib import Path
 
 import lh5
+import matplotlib as mpl
 import numpy as np
 import pygama.pargen.energy_optimisation as om  # noqa: F401
 import sklearn.gaussian_process.kernels as ker
@@ -27,6 +28,8 @@
     require_peaks_present,
 )
 
+mpl.use("agg")  # no display needed; avoids X11 when DISPLAY is set
+
 warnings.filterwarnings(action="ignore", category=RuntimeWarning)
 try:
     warnings.filterwarnings(action="ignore", category=np.exceptions.RankWarning)

src/legenddataflowscripts/par/geds/dsp/nopt.py

@@ -6,6 +6,7 @@
 from pathlib import Path
 
 import lh5
+import matplotlib as mpl
 import numpy as np
 import pygama.pargen.noise_optimization as pno
 from dbetto.catalog import Props
@@ -20,6 +21,8 @@
     require_config_keys,
 )
 
+mpl.use("agg")  # no display needed; avoids X11 when DISPLAY is set
+
 
 def par_geds_dsp_nopt() -> None:
     """Optimise DSP filter parameters for noise performance.

src/legenddataflowscripts/par/geds/dsp/pz.py

@@ -6,6 +6,7 @@
 from pathlib import Path
 
 import lh5
+import matplotlib as mpl
 import numpy as np
 from dbetto.catalog import Props
 from dspeed import build_dsp
@@ -24,6 +25,8 @@
     take_table_rows,
 )
 
+mpl.use("agg")  # no display needed; avoids X11 when DISPLAY is set
+
 
 def par_geds_dsp_pz() -> None:
     """Determine the pole-zero (PZ) decay constant(s) for HPGe waveforms.

src/legenddataflowscripts/par/geds/hit/aoe.py

@@ -10,6 +10,7 @@
 import warnings
 from pathlib import Path
 
+import matplotlib as mpl
 import numpy as np
 from dbetto.catalog import Props
 from pygama.pargen.AoE_cal import *  # noqa: F403
@@ -28,6 +29,8 @@
     require_unique_suffixes,
 )
 
+mpl.use("agg")  # no display needed; avoids X11 when DISPLAY is set
+
 log = logging.getLogger(__name__)
 
 warnings.filterwarnings(action="ignore", category=RuntimeWarning)

src/legenddataflowscripts/par/geds/hit/lq.py

@@ -9,6 +9,7 @@
 import warnings
 from pathlib import Path
 
+import matplotlib as mpl
 import numpy as np
 import pandas as pd
 from dbetto.catalog import Props
@@ -30,6 +31,8 @@
     require_unique_suffixes,
 )
 
+mpl.use("agg")  # no display needed; avoids X11 when DISPLAY is set
+
 log = logging.getLogger(__name__)
 warnings.filterwarnings(action="ignore", category=RuntimeWarning)
 

src/legenddataflowscripts/par/geds/hit/qc.py

@@ -9,6 +9,7 @@
 import warnings
 from pathlib import Path
 
+import matplotlib as mpl
 import numpy as np
 from dbetto.catalog import Props
 from lh5 import ls
@@ -28,6 +29,8 @@
     prepare_output_paths,
 )
 
+mpl.use("agg")  # no display needed; avoids X11 when DISPLAY is set
+
 log = logging.getLogger(__name__)
 warnings.filterwarnings(action="ignore", category=RuntimeWarning)