Add guardrails to prevent type TypeError: can't multiply sequence by non-int of type 'float' see HEA-811

Author: girumb

pipelines/assets/livelihood_activity.py

@@ -846,6 +846,15 @@ def get_instances_from_dataframe(
                             # worksheets
                             column = df.columns[i + 1]
                             household_size = df.iloc[3, i + 1]
+                            # Convert household_size to int
+                            try:
+                                if pd.notna(household_size) and household_size != "":
+                                    # Convert to float first to handle "5.0" or "5.7", then to int
+                                    household_size = int(float(household_size))
+                                else:
+                                    household_size = None
+                            except (ValueError, TypeError):
+                                household_size = None
                             livelihood_activity["kcals_consumed"] = (
                                 livelihood_activity["percentage_kcals"] * 2100 * 365 * household_size
                                 if livelihood_activity["percentage_kcals"] and household_size