diff --git a/packages/markitdown/src/markitdown/_stream_info.py b/packages/markitdown/src/markitdown/_stream_info.py
index 32a51ef..fa94b98 100644
--- a/packages/markitdown/src/markitdown/_stream_info.py
+++ b/packages/markitdown/src/markitdown/_stream_info.py
@@ -20,9 +20,9 @@ class StreamInfo:
     mimetype: Optional[str] = None
     extension: Optional[str] = None
     charset: Optional[str] = None
-    filename: Optional[
-        str
-    ] = None  # From local path, url, or Content-Disposition header
+    filename: Optional[str] = (
+        None  # From local path, url, or Content-Disposition header
+    )
     local_path: Optional[str] = None  # If read from disk
     url: Optional[str] = None  # If read from url
 
diff --git a/packages/markitdown/src/markitdown/converters/_doc_intel_converter.py b/packages/markitdown/src/markitdown/converters/_doc_intel_converter.py
index 5debac6..a71ceae 100644
--- a/packages/markitdown/src/markitdown/converters/_doc_intel_converter.py
+++ b/packages/markitdown/src/markitdown/converters/_doc_intel_converter.py
@@ -92,7 +92,7 @@ class DocumentIntelligenceConverter(DocumentConverter):
             api_version=self.api_version,
             credential=DefaultAzureCredential(),
         )
-        
+
     def accepts(
         self,
         file_stream: BinaryIO,
diff --git a/packages/markitdown/tests/test_markitdown.py b/packages/markitdown/tests/test_markitdown.py
index 7f61733..8905253 100644
--- a/packages/markitdown/tests/test_markitdown.py
+++ b/packages/markitdown/tests/test_markitdown.py
@@ -399,29 +399,29 @@ def test_markitdown_local() -> None:
 
 def test_markitdown_streams() -> None:
     markitdown = MarkItDown()
- 
+
     # Test PDF processing
     with open(os.path.join(TEST_FILES_DIR, "test.pdf"), "rb") as f:
         result = markitdown.convert(f, file_extension=".pdf")
         validate_strings(result, PDF_TEST_STRINGS)
- 
+
     # Test XLSX processing
     with open(os.path.join(TEST_FILES_DIR, "test.xlsx"), "rb") as f:
         result = markitdown.convert(f, file_extension=".xlsx")
         validate_strings(result, XLSX_TEST_STRINGS)
- 
+
     # Test XLS processing
     with open(os.path.join(TEST_FILES_DIR, "test.xls"), "rb") as f:
         result = markitdown.convert(f, file_extension=".xls")
         for test_string in XLS_TEST_STRINGS:
             text_content = result.text_content.replace("\\", "")
             assert test_string in text_content
- 
+
     # Test DOCX processing
     with open(os.path.join(TEST_FILES_DIR, "test.docx"), "rb") as f:
         result = markitdown.convert(f, file_extension=".docx")
         validate_strings(result, DOCX_TEST_STRINGS)
- 
+
     # Test DOCX processing, with comments
     with open(os.path.join(TEST_FILES_DIR, "test_with_comment.docx"), "rb") as f:
         result = markitdown.convert(
@@ -430,47 +430,47 @@ def test_markitdown_streams() -> None:
             style_map="comment-reference => ",
         )
         validate_strings(result, DOCX_COMMENT_TEST_STRINGS)
- 
+
     # Test DOCX processing, with comments and setting style_map on init
     markitdown_with_style_map = MarkItDown(style_map="comment-reference => ")
     with open(os.path.join(TEST_FILES_DIR, "test_with_comment.docx"), "rb") as f:
         result = markitdown_with_style_map.convert(f, file_extension=".docx")
         validate_strings(result, DOCX_COMMENT_TEST_STRINGS)
- 
+
     # Test PPTX processing
     with open(os.path.join(TEST_FILES_DIR, "test.pptx"), "rb") as f:
         result = markitdown.convert(f, file_extension=".pptx")
         validate_strings(result, PPTX_TEST_STRINGS)
- 
+
     # Test HTML processing
     with open(os.path.join(TEST_FILES_DIR, "test_blog.html"), "rb") as f:
         result = markitdown.convert(f, file_extension=".html", url=BLOG_TEST_URL)
         validate_strings(result, BLOG_TEST_STRINGS)
- 
+
     # Test Wikipedia processing
     with open(os.path.join(TEST_FILES_DIR, "test_wikipedia.html"), "rb") as f:
         result = markitdown.convert(f, file_extension=".html", url=WIKIPEDIA_TEST_URL)
         text_content = result.text_content.replace("\\", "")
         validate_strings(result, WIKIPEDIA_TEST_STRINGS, WIKIPEDIA_TEST_EXCLUDES)
- 
+
     # Test Bing processing
     with open(os.path.join(TEST_FILES_DIR, "test_serp.html"), "rb") as f:
         result = markitdown.convert(f, file_extension=".html", url=SERP_TEST_URL)
         text_content = result.text_content.replace("\\", "")
         validate_strings(result, SERP_TEST_STRINGS, SERP_TEST_EXCLUDES)
- 
+
     # Test RSS processing
     with open(os.path.join(TEST_FILES_DIR, "test_rss.xml"), "rb") as f:
         result = markitdown.convert(f, file_extension=".xml")
         text_content = result.text_content.replace("\\", "")
         for test_string in RSS_TEST_STRINGS:
             assert test_string in text_content
- 
+
     # Test MSG (Outlook email) processing
     with open(os.path.join(TEST_FILES_DIR, "test_outlook_msg.msg"), "rb") as f:
         result = markitdown.convert(f, file_extension=".msg")
         validate_strings(result, MSG_TEST_STRINGS)
- 
+
     # Test JSON processing
     with open(os.path.join(TEST_FILES_DIR, "test.json"), "rb") as f:
         result = markitdown.convert(f, file_extension=".json")