diff --git a/appveyor.yml b/appveyor.yml
index d3a9bf0..ceb7974 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -38,10 +38,16 @@ build: off
 
 test_script:
   - "echo 'About to run tests...'"
-  # Set timeout for pytest (e.g., 300 seconds)--timeout=1000
-  #- "pytest Tests/ || exit 0"
-  - "pytest Tests/ || exit /b 0"
-
-  #- "pytest Tests/"
+  # Run pytest and capture its exit code
+  - "pytest Tests/ || SET PYTEST_ERRORLEVEL=%errorlevel%"
+  
+  # Check if pytest failed (assuming non-zero exit code indicates failure)
+  - "if %PYTEST_ERRORLEVEL% neq 0 ("
+  - "    echo 'Pytest failed. Terminating python process.'"
+  - "    taskkill /IM python.exe /F"
+  - ") else ("
+  - "    echo 'Pytest succeeded.'"
+  - ")"
+  
   - "echo 'Finished running tests.'"
   - "if %errorlevel% neq 0 exit /b %errorlevel%"