Fix the extract command to work with the new nested config classes.

dcc/extract.py

@@ -1,14 +1,13 @@
-import dcc.config
+import dcc.doom_base
 import omg
 import numpy as np
 import wand.color
 import wand.image
 
 
-class Extract(dcc.config.base):
+class Extract(dcc.doom_base.Wad):
     def get_parser(self, prog_name):
         parser = super().get_parser(prog_name)
-        parser.add_argument('wad')
         parser.add_argument('lump')
         return parser
 
@@ -30,17 +29,17 @@ class Extract(dcc.config.base):
                 ) as img:
                     img.transparent_color(wand.color.Color("#ff00ff"), 0.0)
                     img.save(
-                        filename=self.output.joinpath(parsed_args.wad)
+                        filename=self.fabricate.joinpath(parsed_args.wad)
                         .joinpath(parsed_args.lump + ".png")
                     )
                 return
             except Exception as e:
                 print(
-                    f"Wad {w} likely has no lump {parsed_args.lump}"
+                    f"Wad {w} likely has no lump {parsed_args.lump} "
                     + f"(exception {e})."
                 )
 
         print(
-            "Lump {parsed_args.lump} not found in any wad in"
+            "Lump {parsed_args.lump} not found in any wad in "
             + f"{parsed_args.wad}"
         )