Update app.py

app.py

@@ -104,6 +104,7 @@ def read_pdf(pdf_path):
 def read_pdf_online(url):
     uid=uuid.uuid4()
     response = requests.get(url, stream=True)
+    text=""
     if response.status_code == 200:
         with open(f"{uid}.pdf", "wb") as f:
             f.write(response.content)
@@ -115,10 +116,11 @@ def read_pdf_online(url):
         for i in range(number_of_pages-1):
             page = reader.pages[i]
             text = f'{text}\n{page.extract_text()}'
+        return text
     else:
         text = response.status_code
         print(text)
-    return text
+        return text
 
 VERBOSE = True
 MAX_HISTORY = 100