Blacked and isorted the python files

Prettied and eslinted the typescript/html files

bookie/src/app/users/user-list/user-list-datasource.ts

@@ -1,9 +1,9 @@
 import { DataSource } from '@angular/cdk/collections';
 import { Observable, of as observableOf } from 'rxjs';
+
 import { User } from '../../core/user';
 
 export class UserListDataSource extends DataSource<User> {
-
   constructor(public data: User[]) {
     super();
   }
@@ -12,6 +12,5 @@ export class UserListDataSource extends DataSource<User> {
     return observableOf(this.data);
   }
 
-  disconnect() {
-  }
+  disconnect() {}
 }