fix bug with sources that only have lists

rolltable/tables.py

@@ -128,10 +128,7 @@ class DataSource:
                 ]
         else:
             # If the option is either a list or a string, just select it.
-            if rand:
-                choices = [random.choice(self.data[option])]
-            else:
-                choices = self.data[option]
+            choices = self.data[option]
 
         for choice in choices:
             # If the randomly-selected choice is a dict, choose a random item and return a list consisting
@@ -153,6 +150,7 @@ class DataSource:
             flattened.append(choice)
         return flattened
 
+
 class RollTable:
     """
     Generate a roll table using weighted distributions of random options.