small edit when failing

app.py

@@ -154,8 +154,6 @@ def add_pagenumbers(im_list, height_scale=40):
 
 
 def pdf_to_grid(pdf_path):
-
-
     reader = PyPDF2.PdfReader(pdf_path)
     reached_page_limit = False
     images = []
@@ -193,10 +191,10 @@ def main(complexity, evidence, form, operation, type):
     )
     results = DIAGNOSTIC_TEST.query(query)
     if len(results) == 0:
-        return f"No results found for query {query}", "", "", ""
+        return f"No results found for query {query}", "", "", "", ""
 
     for i, sample in results.sample(frac=1).iterrows():
-        print("Sampled: ", sample['nhash'])
+        print("Sampled: ", sample["nhash"])
 
         # first get PDF file
         PDF, grid = None, None
@@ -218,7 +216,7 @@ def main(complexity, evidence, form, operation, type):
 
 
 # test
-#q, a, d, im, f = main(*slider_defaults)
+# q, a, d, im, f = main(*slider_defaults)
 
 outputs = [
     gr.Textbox(label="question"),
@@ -229,4 +227,4 @@ outputs = [
 ]
 
 iface = gr.Interface(fn=main, inputs=sliders, outputs=outputs, description="Visualize diagnostic samples from DUDE")
-iface.launch(share=True)
+iface.launch(share=True)