diff --git a/pyproject.toml b/pyproject.toml
index 4281ce3..97f959c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,7 @@ dynamic = ["version"]  # Version is read from rhodium/__init__.py
 test = [
   "pytest",
   "flake8",
+  "flake8-pyproject",
   "rhodium[examples]"
 ]
 openmdao = [
@@ -58,7 +59,8 @@ exclude = [
   ".git",
   "__pycache__",
   "build",
-  "examples/Languages/C/src"
+  "examples/Languages/C/src",
+  "examples"  # TODO: Remove this exclusion once examples are updated
 ]
 extend-ignore = [
   "E302",  # Expected 2 blank lines, found N
diff --git a/rhodium/model.py b/rhodium/model.py
index c5baf7b..db0379c 100644
--- a/rhodium/model.py
+++ b/rhodium/model.py
@@ -571,7 +571,7 @@ class DataSet(list):
 
     def __init__(self, data=[]):
         if isinstance(data, str):
-            self.load(data)
+            warnings.warn("use load(file, ...) instead of DataSet(file)", DeprecationWarning, stacklevel=2)
         else:
             for entry in data:
                 self.append(entry)