diff --git a/ethicml/preprocessing/adjust_labels.py b/ethicml/preprocessing/adjust_labels.py
index de501c14..5b000c29 100644
--- a/ethicml/preprocessing/adjust_labels.py
+++ b/ethicml/preprocessing/adjust_labels.py
@@ -18,9 +18,8 @@ def assert_binary_labels(data_tuple: DataTuple) -> None:
 class LabelBinarizer:
     """If a dataset has labels [-1,1], then this will make it so the labels = [0,1]."""
 
-    def __init__(self) -> None:
-        self.min_val: int
-        self.max_val: int
+    min_val: int
+    max_val: int
 
     def adjust(self, dataset: DataTuple) -> DataTuple:
         """Take a datatuple and make the labels [0,1]."""
diff --git a/pyproject.toml b/pyproject.toml
index cd0dc4d6..5e002c3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -170,3 +170,17 @@ convention = "pep257"
 add_ignore = ["D105", "D107", "D401"]
 ignore_decorators = "implements|overload"
 match = "(?!(test_|__init__)).*\\.py"
+
+[tool.pyright]
+typeCheckingMode = "strict"
+pythonVersion = "3.8"
+reportMissingTypeArgument = "none"
+reportCallInDefaultInitializer = "warning"
+reportPropertyTypeMismatch = "warning"
+reportUninitializedInstanceVariable = "warning"
+reportUnusedCallResult = "warning"
+# these errors are a bit annoying
+reportUnknownMemberType = "none"
+reportUnknownVariableType = "none"
+reportUnknownParameterType = "none"
+reportUnknownArgumentType = "none"
diff --git a/pyrightconfig.json b/pyrightconfig.json
deleted file mode 100644
index 96c8da94..00000000
--- a/pyrightconfig.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "pythonVersion": "3.8",
-  "reportMissingTypeStubs": "none",
-  "reportUnknownParameterType": "none",
-  "reportUnknownArgumentType": "none",
-  "reportUnknownLambdaType": "none",
-  "reportUnknownVariableType": "none",
-  "reportUnknownMemberType": "none",
-  "reportMissingTypeArgument": "none"
-}