diff --git a/docarray/array/mixins/content.py b/docarray/array/mixins/content.py
index cce63796c00..13676001a5f 100644
--- a/docarray/array/mixins/content.py
+++ b/docarray/array/mixins/content.py
@@ -140,10 +140,15 @@ def contents(
     ):
         """Set the :attr:`.content` of all Documents.
 
-        :param value: a list of texts, blobs or :class:`ArrayType`
+        :param value: a list of texts, blobs or :class:`ArrayType`. If the value is a two-element tuple,
+            then the second element is used as the :attr:`.content_type`
         """
         if self:
-            content_type = self[0].content_type or self[-1].content_type
+            if isinstance(value, tuple) and len(value) == 2:
+                content_type = value[1]
+            else:
+                content_type = self[0].content_type or self[-1].content_type
+
             if content_type:
                 setattr(self, f'{content_type}s', value)
 
diff --git a/docarray/document/mixins/helper.py b/docarray/document/mixins/helper.py
index d1145c49ca9..043275b445f 100644
--- a/docarray/document/mixins/helper.py
+++ b/docarray/document/mixins/helper.py
@@ -3,8 +3,6 @@
 import urllib.request
 from contextlib import nullcontext
 
-from ...helper import __windows__
-
 
 def _uri_to_blob(uri: str) -> bytes:
     """Convert uri to blob
@@ -28,10 +26,7 @@ def _get_file_context(file):
     if hasattr(file, 'write'):
         file_ctx = nullcontext(file)
     else:
-        if __windows__:
-            file_ctx = open(file, 'wb', newline='')
-        else:
-            file_ctx = open(file, 'wb')
+        file_ctx = open(file, 'wb')
 
     return file_ctx
 
diff --git a/docarray/helper.py b/docarray/helper.py
index 7539c25ac58..cce4d4765b7 100644
--- a/docarray/helper.py
+++ b/docarray/helper.py
@@ -17,7 +17,6 @@
 ALLOWED_PROTOCOLS = {'pickle', 'protobuf', 'protobuf-array', 'pickle-array'}
 ALLOWED_COMPRESSIONS = {'lz4', 'bz2', 'lzma', 'zlib', 'gzip'}
 
-__windows__ = sys.platform == 'win32'
 
 __resources_path__ = os.path.join(
     os.path.dirname(
diff --git a/tests/unit/document/test_converters.py b/tests/unit/document/test_converters.py
index d5efbebb7ce..e8e5ad2d364 100644
--- a/tests/unit/document/test_converters.py
+++ b/tests/unit/document/test_converters.py
@@ -1,11 +1,13 @@
 import os
+import sys
 
 import numpy as np
 import pytest
 
 from docarray import Document
 from docarray.document.generators import from_files
-from docarray.helper import __windows__
+
+__windows__ = sys.platform == 'win32'
 
 cur_dir = os.path.dirname(os.path.abspath(__file__))