From d8422ea55ed5c6342f4a7f02dba010506fd7baf2 Mon Sep 17 00:00:00 2001
From: Eric Wunderlin <wunde005@umn.edu>
Date: Thu, 9 Jan 2025 13:22:53 -0600
Subject: [PATCH] For csv files mimetypes.guess_type is returning
 "application/vnd.ms-excel" on windows causing an invalid mime type in
 plaintextconverter. In reference to issue:
 https://github.com/microsoft/markitdown/issues/150

---
 src/markitdown/_markitdown.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/markitdown/_markitdown.py b/src/markitdown/_markitdown.py
index 33806e1..38fc693 100644
--- a/src/markitdown/_markitdown.py
+++ b/src/markitdown/_markitdown.py
@@ -33,6 +33,9 @@
 from bs4 import BeautifulSoup
 from charset_normalizer import from_path
 
+# Override mimetype for csv to fix issue on windows
+mimetypes.add_type("text/csv", ".csv")
+
 # Optional Transcription support
 IS_AUDIO_TRANSCRIPTION_CAPABLE = False
 try: