Update dependencies and fix deprecations

authum/http.py

@@ -88,16 +88,16 @@ def __init__(self, saml_assertion: str) -> None:
         self.attribute_statement = root.find(".//saml:AttributeStatement", self.ns)
 
     def __getitem__(self, k: str) -> list:
-        if not self.attribute_statement:
+        if self.attribute_statement is None:
             return []
 
         attr = self.attribute_statement.find(f".//saml:Attribute[@Name='{k}']", self.ns)
-        if not attr:
+        if attr is None:
             raise KeyError(k)
         return [v.text for v in attr.findall(".//saml:AttributeValue", self.ns)]
 
     def __iter__(self) -> Iterable:
-        if not self.attribute_statement:
+        if self.attribute_statement is None:
             return []
 
         return (

pyproject.toml

@@ -13,7 +13,7 @@ dependencies = [
     "boto3~=1.19",
     "click~=8.0",
     "Flask~=2.0",
-    "keyring~=23.2",
+    "keyring~=25.6",
     "pluggy~=1.0",
     "pyyaml~=6.0",
     "requests~=2.26",
@@ -24,11 +24,11 @@ dependencies = [
 dev = [
     "Mako~=1.1",
     "pex~=2.1",
-    "pytest~=6.2",
-    "pytest-cov~=3.0",
-    "pytest-xdist~=2.4",
+    "pytest~=8.3",
+    "pytest-cov~=6.0",
+    "pytest-xdist~=3.6",
     "responses~=0.15",
-    "ruff~=0.9.4",
+    "ruff~=0.9",
 ]
 
 [build-system]