Update app.py

app.py

@@ -71,11 +71,11 @@ def inference(pdf_file, pdf_link, file_btn):
   content = sequence.replace(r'\(', '$').replace(r'\)', '$').replace(r'\[', '$$').replace(r'\]', '$$')
 
   if file_btn:
-    with open("output.txt","w+") as f:
+    with open(f"{os.getcwd()}/output.txt","w+") as f:
       f.write(content)
       f.close()
     
-  return content, "output.txt"
+  return content, f"{os.getcwd()}/output.txt"
 
 
 css = """