diff --git a/buildozer/targets/android.py b/buildozer/targets/android.py
index 2b4e28182..514c3c43c 100644
--- a/buildozer/targets/android.py
+++ b/buildozer/targets/android.py
@@ -1306,7 +1306,9 @@ def build_package(self):
             pass
 
         build_tools_versions = os.listdir(join(self.android_sdk_dir, "build-tools"))
-        build_tools_versions = sorted(build_tools_versions, key=packaging.version.parse)
+        build_tools_versions = sorted(
+            build_tools_versions, key=packaging.version.parse
+        )
         build_tools_version = build_tools_versions[-1]
         gradle_files = ["build.gradle", "gradle", "gradlew"]
         is_gradle_build = build_tools_version >= "25.0" and any(