diff --git a/dcc/eureka.py b/dcc/eureka.py
index 4c86af0..ed049e3 100644
--- a/dcc/eureka.py
+++ b/dcc/eureka.py
@@ -2,18 +2,27 @@ import dcc.doom_base
 import dcc.config
 import subprocess
 
-class Eureka(dcc.doom_base.WadMap):
-	def take_action(self, parsed_args):
-		iwad = self.iwad_path(parsed_args.wad)
-		pwadpath = self.pwads.joinpath(parsed_args.wad)
-		mw = list(pwadpath.glob('*{}*.wad'.format(parsed_args.wad), case_sensitive=False))
-		if len(mw) != 1:
-			raise Exception("Unable to guess at main pwad for wad {}.".format(parsed_args.wad))
-		complevel = self.complevel()
-		port = "vanilla"
-		if complevel == "9":
-			port = "boom"
-		if complevel == "11" or complevel == "21":
-			port = "mbf"
 
-		subprocess.run(["eureka"] + ["-iwad", iwad] + ["-w", parsed_args.map] + ["-p", port] + [mw[0]])
+class Eureka(dcc.doom_base.WadMap):
+    def take_action(self, parsed_args):
+        iwad = self.iwad_path(parsed_args.wad)
+        pwadpath = self.pwads.joinpath(parsed_args.wad)
+        mw = list(pwadpath.glob(
+            '*{}*.wad'.format(parsed_args.wad), case_sensitive=False
+        ))
+        if len(mw) != 1:
+            raise Exception(
+                f"Unable to guess at main pwad for wad {parsed_args.wad}."
+            )
+
+        complevel = self.complevel()
+        port = "vanilla"
+        if complevel == "9":
+            port = "boom"
+        if complevel == "11" or complevel == "21":
+            port = "mbf"
+
+        subprocess.run(
+            ["eureka"] + ["-iwad", iwad] + ["-w", parsed_args.map]
+            + ["-p", port] + [mw[0]]
+        )