Update app.py

app.py

@@ -24,12 +24,13 @@ def answer_question(model_name, file, question, status):
     model = load_model(model_name)
     
     if file is not None:
-        if file.type == "application/pdf":
+        file_name = file.name
+        if file_name.endswith(".pdf"):
             pdf_reader = PyPDF2.PdfFileReader(file)
             context = ""
             for page_num in range(pdf_reader.numPages):
                 context += pdf_reader.getPage(page_num).extract_text()
-        elif file.name.endswith(".md"):
+        elif file_name.endswith(".md"):
             context = file.read().decode('utf-8')
             context = markdown.markdown(context)
         else: