diff --git a/bitmapper/yarn.lock b/bitmapper/yarn.lock
index da4af69..88952c5 100644
--- a/bitmapper/yarn.lock
+++ b/bitmapper/yarn.lock
@@ -723,9 +723,9 @@ normalize-path@^3.0.0, normalize-path@~3.0.0:
   integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
 
 normalize-url@^4.1.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
-  integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.1.tgz#0dd90cf1288ee1d1313b87081c9a5932ee48518a"
+  integrity sha512-9UZCFRHQdNrfTpGg8+1INIg93B6zE0aXMVFkw1WFwvO4SlZywU6aLg5Of0Ap/PgcbSw4LNxvMWXMeugwMCX0AA==
 
 once@^1.3.0, once@^1.3.1, once@^1.4.0:
   version "1.4.0"
@@ -1172,9 +1172,9 @@ write-file-atomic@^3.0.0:
     typedarray-to-buffer "^3.1.5"
 
 ws@^7.2.3:
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.4.tgz#383bc9742cb202292c9077ceab6f6047b17f2d59"
-  integrity sha512-Qm8k8ojNQIMx7S+Zp8u/uHOx7Qazv3Yv4q68MiWWWOJhiwG5W3x7iqmRtJo8xxrciZUY4vRxUTJCKuRnF28ZZw==
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
 xdg-basedir@^4.0.0:
   version "4.0.0"
diff --git a/builder/src/configure.py b/builder/src/configure.py
index 64bb96c..51e9faf 100644
--- a/builder/src/configure.py
+++ b/builder/src/configure.py
@@ -46,11 +46,7 @@ def get_config(bitmaps_dir, **kwargs) -> Dict[str, Any]:
     w_size = to_tuple(kwargs.pop("win_size"))
     w_canvas_size = to_tuple(kwargs.pop("win_canvas_size"))
     raw_x_sizes = kwargs.pop("x_sizes")
-
-    x_sizes = []
-    for size in raw_x_sizes:
-        x_sizes.append(to_tuple(size))
-
+    x_sizes = [to_tuple(size) for size in raw_x_sizes]
     png_provider = PNGProvider(bitmaps_dir)
     config: Dict[str, Any] = {}