Update pdf_generator.py

pdf_generator.py

@@ -162,11 +162,11 @@ def parse_quantitative_criteria(input_string):
 
         # Handle the case where value is None
         if value is None:
-            return None  # or you can raise an error, depending on your requirements
+            value = 0  # or you can raise an error, depending on your requirements
 
         # Handle percentage inputs
-        is_percentage = '%' in value or '%' in min_val or '%' in max_val
-        value = float(value.rstrip('%'))
+        is_percentage = '%' in str(value) or '%' in min_val or '%' in max_val
+        value = float(str(value).rstrip('%'))
 
         min_val = float(min_val.rstrip('%'))
         max_val = float(max_val.rstrip('%'))