shorten file name

models.py

@@ -7,7 +7,7 @@ def UploadFile(file, filename, content_type):
     def randmname(size=6, chars=string.ascii_lowercase + string.digits):
         return ''.join(random.choice(chars) for _ in range(size))
     split_filename = filename.split('.')
-    rand_filename = f"{randmname(25)}.{split_filename[1]}"
+    rand_filename = f"{randmname(5)}.{split_filename[1]}"
 
     with open(f'files/{rand_filename}','wb',100*(2**20)) as buffer:
         shutil.copyfileobj(file.file, buffer)