Prisma Generation client (npm script concurrently)

backend/src/graphql/graphql.typings.ts

@@ -20,7 +20,7 @@ export class User {
 }
 
 export abstract class IQuery {
-    abstract users(): Nullable<Nullable<User>[]> | Promise<Nullable<Nullable<User>[]>>;
+    abstract users(): Nullable<User>[] | Promise<Nullable<User>[]>;
 
     abstract user(id: string): Nullable<User> | Promise<Nullable<User>>;
 }