Ensure that hours_per_period is a number

Not unstructured text.

docassemble/ALToolbox/al_income.py

@@ -1028,6 +1028,14 @@ def _item_value_per_times_per_year(
         else:
             frequency_to_use = self.times_per_year
 
+        # NOTE: fixes a bug that was present < 0.8.2
+        try :
+          hours_per_period = Decimal(self.hours_per_period)
+        except:
+          log(word("Your hours per period need to be just a single number, without words"), "danger")
+          delattr(self, "hours_per_period")
+          self.hours_per_period # Will cause another exception
+
         # Both the job and the item itself need to be hourly to be
         # calculated as hourly
         is_hourly = self.is_hourly and hasattr(item, "is_hourly") and item.is_hourly
@@ -1036,7 +1044,7 @@ def _item_value_per_times_per_year(
         # Use the appropriate calculation
         if is_hourly:
             return (
-                value * Decimal(self.hours_per_period) * Decimal(frequency_to_use)
+                value * Decimal(hours_per_period) * Decimal(frequency_to_use)
             ) / Decimal(times_per_year)
         else:
             return (value * Decimal(frequency_to_use)) / Decimal(times_per_year)