Treat warnings as errors when running tests + pyproject.toml formatting

pyproject.toml

@@ -7,19 +7,22 @@ build-backend = "setuptools.build_meta"
 
 [tool.pylint.messages_control] 
 disable = [
-	'trailing-whitespace',
-        'trailing-newlines',
-        ]
+    'trailing-whitespace',
+    'trailing-newlines',
+ ]
 
 [tool.pytest.ini_options]
 testpaths = [ "daisy_vis" ]
 addopts = [
-        "--mpl", 
-        "--mpl-baseline-path=test-data/baseline/matplotlib-3.8.2",
-        "--mpl-results-path=test-data/results"
-        # Uncomment the line below and add matplotlib version to generate test images.
-        #"--mpl-generate-path=test-data/baseline/matplotlib-3.8.2"
-        ]
+    "--mpl", 
+    "--mpl-baseline-path=test-data/baseline/matplotlib-3.8.2",
+    "--mpl-results-path=test-data/results"
+    # Uncomment the line below and add matplotlib version to generate test images.
+    #"--mpl-generate-path=test-data/baseline/matplotlib-3.8.2"
+]
+filterwarnings = [
+    "error"
+]
 
 [tool.coverage.run]
 command_line = "-m pytest"