diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3211196..a67f09f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -19,7 +19,7 @@ repos:
         language_version: python3.9
 
 -   repo: https://github.com/pycqa/docformatter
-    rev: v1.7.5
+    rev: master
     hooks:
     -   id: docformatter
         additional_dependencies: [tomli]
diff --git a/alea/examples/configs/unbinned_wimp_statistical_model_index_fitting.yaml b/alea/examples/configs/unbinned_wimp_statistical_model_index_fitting.yaml
index 96a6979..769bdc0 100644
--- a/alea/examples/configs/unbinned_wimp_statistical_model_index_fitting.yaml
+++ b/alea/examples/configs/unbinned_wimp_statistical_model_index_fitting.yaml
@@ -54,6 +54,7 @@ likelihood_config:
     - name: science_run
       default_source_class: alea.template_source.TemplateSource
       likelihood_type: blueice.likelihood.UnbinnedLogLikelihood
+      source_wise_interpolation: false
       likelihood_config: {"morpher": "IndexMorpher"}
       analysis_space:
         - cs1: np.arange(0, 102, 2)
diff --git a/alea/models/blueice_extended_model.py b/alea/models/blueice_extended_model.py
index ff36c03..e550863 100644
--- a/alea/models/blueice_extended_model.py
+++ b/alea/models/blueice_extended_model.py
@@ -4,6 +4,7 @@
 import itertools
 from copy import deepcopy
 
+from tqdm import tqdm
 import numpy as np
 import scipy.stats as stats
 from blueice.likelihood import LogAncillaryLikelihood, LogLikelihoodSum
@@ -295,9 +296,16 @@ def _process_blueice_config(self, config, template_folder_list):
         # get blueice likelihood_config if it's given
         likelihood_config = config.get("likelihood_config", None)
 
+        source_wise_interpolation = config.get("source_wise_interpolation", True)
+
+        if source_wise_interpolation and likelihood_config:
+            if likelihood_config.get("morpher") == "IndexMorpher":
+                raise ValueError("Source-wise interpolation is not yet supported for IndexMorpher.")
+
         blueice_config = {
             "pdf_base_config": pdf_base_config,
             "likelihood_config": likelihood_config,
+            "source_wise_interpolation": source_wise_interpolation,
         }
         return blueice_config
 
@@ -399,7 +407,7 @@ def _build_data_generators(self) -> list:
         """
         # last one is AncillaryLikelihood
         data_generators = []
-        for ll_term in self.likelihood_list[:-1]:
+        for ll_term in tqdm(self.likelihood_list[:-1], desc="building data generators"):
             methods = [s.config["pdf_interpolation_method"] for s in ll_term.base_model.sources]
             # make sure that all sources have the same pdf_interpolation_method
             if len(set(methods)) != 1:
diff --git a/alea/submitters/htcondor.py b/alea/submitters/htcondor.py
index 68fd816..4511faf 100644
--- a/alea/submitters/htcondor.py
+++ b/alea/submitters/htcondor.py
@@ -407,8 +407,8 @@ def make_tarballs(self):
                 logger.warning(
                     f"Using tarball of user installed package {package_name} at {tarball_path}."
                 )
-            tarballs.append(tarball)
-            tarball_paths.append(tarball_path)
+                tarballs.append(tarball)
+                tarball_paths.append(tarball_path)
         return tarballs, tarball_paths
 
     def _initialize_job(
diff --git a/pyproject.toml b/pyproject.toml
index 7e7a1e1..9c9407c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ alea_submission = "alea.scripts.alea_submission:main"
 [tool.poetry.dependencies]
 python = ">=3.8,<3.13"
 atomicwrites = "*"
-blueice = "*"
+blueice = ">=1.2.1"
 h5py = "*"
 inference-interface = "*"
 iminuit = ">=2.21.0"