real path should not be used when creating distination file list.

mdrsclient/api/files.py

@@ -1,3 +1,4 @@
+import os
 from typing import Any, Final
 
 from pydantic import TypeAdapter
@@ -31,7 +32,7 @@ class FilesApi(BaseApi):
         token_check(self.connection)
         data: dict[str, str | int] = {"folder_id": folder_id}
         try:
-            with open(path, mode="rb") as fp:
+            with open(os.path.relpath(path), mode="rb") as fp:
                 response = self.connection.post(url, data=data, files={"file": fp})
                 self._raise_response_error(response)
                 ret = TypeAdapter(FilesApiCreateResponse).validate_python(response.json())
@@ -46,7 +47,7 @@ class FilesApi(BaseApi):
         if path is not None:
             # update file body
             try:
-                with open(path, mode="rb") as fp:
+                with open(os.path.relpath(path), mode="rb") as fp:
                     response = self.connection.put(url, files={"file": fp})
             except OSError:
                 raise UnexpectedException(f"Could not open `{path}` file.")