Updated faulty getter function

ref #90

src/models/actions/update/UpdateRunner.ts

@@ -1,7 +1,6 @@
 import { IsInt, IsPositive } from 'class-validator';
 import { getConnectionManager } from 'typeorm';
 import { RunnerGroupNotFoundError } from '../../../errors/RunnerGroupErrors';
-import { RunnerOrganisationWrongTypeError } from '../../../errors/RunnerOrganisationErrors';
 import { RunnerTeamNeedsParentError } from '../../../errors/RunnerTeamErrors';
 import { Runner } from '../../entities/Runner';
 import { RunnerGroup } from '../../entities/RunnerGroup';
@@ -48,12 +47,8 @@ export class UpdateRunner extends CreateParticipant {
         if (this.group === undefined || this.group === null) {
             throw new RunnerTeamNeedsParentError();
         }
-        if (!isNaN(this.group.id)) {
-            let group = await getConnectionManager().get().getRepository(RunnerGroup).findOne({ id: this.group.id });
-            if (!group) { throw new RunnerGroupNotFoundError; }
-            return group;
-        }
-
-        throw new RunnerOrganisationWrongTypeError;
+        let group = await getConnectionManager().get().getRepository(RunnerGroup).findOne({ id: this.group });
+        if (!group) { throw new RunnerGroupNotFoundError; }
+        return group;
     }
 }