fixed bug to upload large file.

mdrsclient/connection.py

@@ -1,9 +1,9 @@
 import platform
 import threading
-from io import BufferedReader
 from typing import TypedDict
 
 from requests import Response, Session
+from requests_toolbelt.multipart.encoder import MultipartEncoder
 
 # Unpack is new in 3.11
 from typing_extensions import Unpack
@@ -21,14 +21,14 @@ class _KwArgsMDRSConnectionGet(TypedDict, total=False):
 
 class _KwArgsMDRSConnectionPost(TypedDict, total=False):
     params: dict[str, str | int]
-    data: dict[str, str | int]
-    files: dict[str, BufferedReader]
+    data: dict[str, str | int] | MultipartEncoder
+    headers: dict[str, str]
 
 
 class _KwArgsMDRSConnectionPut(TypedDict, total=False):
     params: dict[str, str | int]
-    data: dict[str, str | int]
-    files: dict[str, BufferedReader]
+    data: dict[str, str | int] | MultipartEncoder
+    headers: dict[str, str]
 
 
 class _KwArgsMDRSConnectionDelete(TypedDict, total=False):