From 8d57dd5c717e61e827f25b1f30637185654f59df Mon Sep 17 00:00:00 2001
From: Cristian Matache <cristianmatache@hotmail.com>
Date: Thu, 8 Jul 2021 22:16:55 +0100
Subject: [PATCH] added py.typed and typed Series descriptor (#543)

---
 pandera/py.typed  | 0
 pandera/typing.py | 3 +++
 setup.py          | 1 +
 3 files changed, 4 insertions(+)
 create mode 100644 pandera/py.typed

diff --git a/pandera/py.typed b/pandera/py.typed
new file mode 100644
index 000000000..e69de29bb
diff --git a/pandera/typing.py b/pandera/typing.py
index 86328149e..8df9d2a86 100644
--- a/pandera/typing.py
+++ b/pandera/typing.py
@@ -72,6 +72,9 @@ class Series(pd.Series, Generic[GenericDtype]):  # type: ignore
     *new in 0.5.0*
     """
 
+    def __get__(self, instance: object, owner: Type) -> str:
+        raise AttributeError("Series should resolve to Field-s")
+
 
 if TYPE_CHECKING:  # pragma: no cover
     # pylint:disable=too-few-public-methods,invalid-name
diff --git a/setup.py b/setup.py
index f61101613..01f9bd39e 100644
--- a/setup.py
+++ b/setup.py
@@ -35,6 +35,7 @@
     license="MIT",
     data_files=[("", ["LICENSE.txt"])],
     packages=["pandera"],
+    package_data={"pandera": ["py.typed"]},
     install_requires=[
         "packaging >= 20.0",
         "numpy >= 1.9.0",