Update app.py

app.py

@@ -3,19 +3,16 @@ import pdfminer
 from pdfminer.high_level import extract_text
 import urllib.request
 
-def read_pdf(file=None, url=None):
-    if file:
-        text = extract_text(file.name)
-    elif url:
-        response = urllib.request.urlopen(url)
-        file = response.read()
-        text = extract_text(file)
+def read_pdf(file, url):
+    if url is not None and url != "":
+        file = urllib.request.urlretrieve(url)[0]
+    text = extract_text(file)
     return text
 
 iface = gr.Interface(
     read_pdf,
-    gr.inputs.File(),
-    gr.inputs.Textbox(),
+    gr.inputs.File(examples='path/to/example_pdf_files'),
+    gr.inputs.Textbox(label="Enter URL of pdf"),
     gr.outputs.Textbox()
 )
 iface.launch()