Fix delete issue

README.md

@@ -430,6 +430,10 @@ app_style.apply_style()
 
 ### Release notes
 
+1.0.2
+
+- Fixed an issue where deleting a property from a store instance would lead to an error when the property doesn't exist
+
 1.0.1
 
 - Version bump to make sure upload to pypi works

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ststeroids"
-version = "1.0.1"
+version = "1.0.2"
 description = "A framework supercharging Streamlit for building advanced multi-page applications"
 readme = "README.md"
 authors = [{ name = "ponsoc"}]

src/ststeroids/store.py

@@ -69,7 +69,8 @@ def del_property(self, property_name: str) -> None:
         :return: None
         """
 
-        del st.session_state[self.name][property_name]
+        if self.has_property(property_name):
+            del st.session_state[self.name][property_name]
 
 
 class ComponentStore(Store):

tests/test_store.py

@@ -42,11 +42,12 @@ def test_store_get_property(mock_session_state):
 def test_store_del_property(mock_session_state):
     store = Store.create("test_store")
     store.set_property("key", "value")
+
     store.del_property("key")
 
-    with pytest.raises(KeyError, match="'key' doesn't exist in store 'test_store'."):
-        store.get_property("key")
+    assert not store.has_property("key")
 
+    store.del_property("key")
 
 def test_store_get_property_key_error(mock_session_state):
     store = Store.create("test_store")