diff --git a/minio/datatypes.py b/minio/datatypes.py
index 8f86bbb3..b13bf234 100644
--- a/minio/datatypes.py
+++ b/minio/datatypes.py
@@ -36,7 +36,7 @@
 try:
     from json.decoder import JSONDecodeError
 except ImportError:
-    JSONDecodeError = ValueError
+    JSONDecodeError = ValueError  # type: ignore
 
 
 class Bucket:
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..247b7b4b
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,5 @@
+[tool.mypy]
+python_version = '3.7'
+ignore_missing_imports = true
+check_untyped_defs = false
+disallow_untyped_defs = false