Fix exception handling to use except Exception as e with logging

Agent-Logs-Url: https://github.com/khanlab/SPIMquant/sessions/7b6fb2c4-f7b5-4329-944e-d9191a3c0f96

Co-authored-by: akhanf <11492701+akhanf@users.noreply.github.com>

Author: Copilot

spimquant/workflow/scripts/compute_subject_histogram.py

@@ -32,8 +32,8 @@
                 )
                 znimg_ds = candidate
                 break
-            except Exception:
-                pass
+            except Exception as e:
+                print(f"  level {ds_level} not available ({e}), trying lower level")
 
         if znimg_ds is None:
             znimg_ds = ZarrNii.from_ome_zarr(

spimquant/workflow/scripts/multiotsu_group.py

@@ -50,8 +50,8 @@
                 )
                 znimg_ds = candidate
                 break
-            except Exception:
-                pass
+            except Exception as e:
+                print(f"  level {ds_level} not available ({e}), trying lower level")
 
         if znimg_ds is None:
             znimg_ds = ZarrNii.from_ome_zarr(