🎨 Use newer style of coding (#287)

src/patches.py

@@ -1,4 +1,6 @@
 """Revanced Patches."""
+
+import contextlib
 import json
 from typing import Any, Dict, List, Tuple
 
@@ -114,10 +116,8 @@ class Patches(object):
             raise AppNotFound(app)
         patches = getattr(self, app_name)
         version = "latest"
-        try:
+        with contextlib.suppress(StopIteration):
             version = next(i["version"] for i in patches if i["version"] != "all")
-        except StopIteration:
-            pass
         return patches, version
 
     def include_exclude_patch(
@@ -174,5 +174,5 @@ class PatchLoader:
             with open(file_name) as f:
                 patches = json.load(f)
             return patches
-        except FileNotFoundError:
-            raise PatchesJsonFailed()
+        except FileNotFoundError as e:
+            raise PatchesJsonFailed() from e