Update app.py

app.py

@@ -338,7 +338,7 @@ from transformers import pipeline
 
 pdf_path=os.path.join(os.path.abspath(""), "hidden-technical-debt-in-machine-learning-systems-Paper.pdf")
 #pdf_path2=os.path.join(os.path.abspath(""), "1812_05944.pdf")
-pdf_path2=os.path.join(os.path.abspath(""), "Article_4_ExperimentalEvidence_on_the_Productivity_Effects_ of_Generative_ Artificial_Intelligence")
+pdf_path2=os.path.join(os.path.abspath(""), "Article_4_ExperimentalEvidence_on_the_Productivity_Effects_ of_Generative_ Artificial_Intelligence.pdf")
 
 
 demo = gr.Interface(fn=sentence_to_audio, inputs="file", outputs=["audio","text"],examples=[pdf_path,pdf_path2])