diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 859f0ae3a1a..7b6eb1ed256 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -115,7 +115,7 @@ jobs:
       # (remove system copy of Matplotlib to avoid conflict
       # with version set in the requirements file - see, e.g.,
       # https://github.com/matplotlib/matplotlib/issues/28768)
-      sudo apt remove python3-matplotlib 
+      sudo apt remove python3-matplotlib
       python3 -m pip install --upgrade -r Regression/requirements.txt
       python3 -m pip cache purge
       # external repositories required for test analysis