Release 0.9.0.post4 fixes (#551)

* Add export format to filename

* Fix name for predictions_score

Author: makseq

label_studio/__init__.py

@@ -2,4 +2,4 @@
 package_name = 'label-studio'
 
 # Package version
-__version__ = '0.9.0.post3'
+__version__ = '0.9.0.post4'

label_studio/blueprint.py

@@ -562,7 +562,7 @@ def api_export():
 
     os.makedirs(g.project.export_dir, exist_ok=True)
 
-    zip_dir = os.path.join(g.project.export_dir, now.strftime('%Y-%m-%d-%H-%M-%S'))
+    zip_dir = os.path.join(g.project.export_dir, now.strftime('%Y-%m-%d-%H-%M-%S') + '-' + export_format)
     os.makedirs(zip_dir, exist_ok=True)
     g.project.converter.convert(g.project.output_dir, zip_dir, format=export_format)
     shutil.make_archive(zip_dir, 'zip', zip_dir)

label_studio/data_manager/functions.py

@@ -327,7 +327,7 @@ def load_task(project, task_id, params, resolve_uri=False):
         task['predictions_results'] = json.dumps([item.get('result', []) for item in predictions])
         scores = [p['score'] for p in predictions if 'score' in p]
         if scores:
-            task['prediction_scores'] = sum(scores) / len(scores)
+            task['predictions_score'] = sum(scores) / len(scores)
     else:
         task['predictions_results'] = ''