diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 091f4f2..ef38c7f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           python-version: "3.x"
           cache: "pip" # caching pip dependencies
-      - run: pip install --upgrade -r requirements-dev.txt
+      - run: pip install --upgrade -r requirements.txt
       - run: python -m build --sdist --wheel --outdir dist/
       - run: mkdocs gh-deploy --force
       - uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/data_disaggregation/base.py b/data_disaggregation/base.py
index c14ebdf..f42ed52 100644
--- a/data_disaggregation/base.py
+++ b/data_disaggregation/base.py
@@ -113,7 +113,10 @@ def transform(
 
     #  scale extensive => intensive
     if vtype == VT_NumericExt:
-        data = dict((f, v / size_in[f]) for f, v in data.items())
+        try:
+            data = dict((f, v / size_in[f]) for f, v in data.items())
+        except TypeError:
+            raise Exception(data)
 
     # filter unused in weight_map: input:
     weight_map = dict(((f, t), w) for (f, t), w in weight_map.items() if f in data)
diff --git a/requirements-dev.txt b/requirements.txt
similarity index 100%
rename from requirements-dev.txt
rename to requirements.txt