Update InMemorySessionService.java

Author: yongkiy-google

core/src/main/java/com/google/adk/sessions/InMemorySessionService.java

@@ -186,16 +186,21 @@ public Completable deleteSession(String appName, String userId, String sessionId
     Objects.requireNonNull(userId, "userId cannot be null");
     Objects.requireNonNull(sessionId, "sessionId cannot be null");
 
-    sessions.computeIfPresent(appName, (app, appSessionsMap) -> {
-        appSessionsMap.computeIfPresent(userId, (user, userSessionsMap) -> {
-            userSessionsMap.remove(sessionId);
-            // If userSessionsMap is now empty, return null to automatically remove the userId key
-            return userSessionsMap.isEmpty() ? null : userSessionsMap;
+    sessions.computeIfPresent(
+        appName,
+        (app, appSessionsMap) -> {
+          appSessionsMap.computeIfPresent(
+              userId,
+              (user, userSessionsMap) -> {
+                userSessionsMap.remove(sessionId);
+                // If userSessionsMap is now empty, return null to automatically remove the userId
+                // key
+                return userSessionsMap.isEmpty() ? null : userSessionsMap;
+              });
+          // If appSessionsMap is now empty, return null to automatically remove the appName key
+          return appSessionsMap.isEmpty() ? null : appSessionsMap;
         });
-        // If appSessionsMap is now empty, return null to automatically remove the appName key
-        return appSessionsMap.isEmpty() ? null : appSessionsMap;
-    });
-
+    
     return Completable.complete();
   }