Bug fix

app.py

@@ -49,13 +49,13 @@ def format_results(results: List[Tuple[str, str]]) -> str:
     return output
 
 def validate_tags(tags: str) -> None:
-    if len(tags) == 0:
+    if len(tags) == 1 and '' in tags:
         raise gr.Error('Validation error. It is necessary to set at least one tag')
     if len(tags) > max_tags_count:
         raise gr.Error(f'Validation error. The maximum allowed number of tags is {max_tags_count}.')
 
 def validate_questions(questions: str) -> None:
-    if len(questions) == 0:
+    if len(questions) == 1 and '' in questions:
         raise gr.Error('Validation error. It is necessary to ask at least one question')
     if len(questions) > max_questions_count:
         raise gr.Error(f'Validation error. The maximum allowed number of questions is {max_questions_count}.')