adding online PDF loader

app.py

@@ -91,6 +91,8 @@ def process_word_document(document_file_name):
 
 
 def process_pdf_document(document_file_name):
+    print("Document File Name :",document_file_name)
+    os.stat(str(document_file_name))
     loader = OnlinePDFLoader(document_file_name)
     document = loader.load()[0]
     return document