diff --git a/premise/data_collection.py b/premise/data_collection.py
index 555a678e..d7da260e 100644
--- a/premise/data_collection.py
+++ b/premise/data_collection.py
@@ -724,7 +724,6 @@ def __get_iam_data(
         # convert the values in these columns to numeric
         dataframe[headers] = dataframe[headers].apply(pd.to_numeric, errors="coerce")
 
-
         array = (
             dataframe.melt(
                 id_vars=["region", "variables", "unit"],