From e9d9410e7de9108e6cda82c5c44a3fb177e32163 Mon Sep 17 00:00:00 2001
From: hackermd <hackermd@protonmail.com>
Date: Thu, 27 Aug 2020 22:00:03 -0400
Subject: [PATCH] Fix settting of http host header field

---
 src/dicomweb_client/__init__.py | 2 +-
 src/dicomweb_client/api.py      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dicomweb_client/__init__.py b/src/dicomweb_client/__init__.py
index c4b6051..4e1a222 100644
--- a/src/dicomweb_client/__init__.py
+++ b/src/dicomweb_client/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.41.1'
+__version__ = '0.41.2'
 
 
 from dicomweb_client.api import DICOMwebClient
diff --git a/src/dicomweb_client/api.py b/src/dicomweb_client/api.py
index 8904f90..69539b2 100644
--- a/src/dicomweb_client/api.py
+++ b/src/dicomweb_client/api.py
@@ -403,7 +403,7 @@ def __init__(
             self._session.proxies = proxies
         if callback is not None:
             self._session.hooks = {'response': [callback, ]}
-        if chunk_size is not None:
+        if chunk_size is None:
             # There is a bug in the requests library that sets the Host header
             # again when using chunked transer encoding. Apparently this is
             # tricky to fix (see https://github.com/psf/requests/issues/4392).