diff --git a/noxfile.py b/noxfile.py
index 76cbfae..e19f2cc 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,7 +1,7 @@
 import nox
 
 
-@nox.session(python=[f"3.{v}" for v in range(9, 13)])
+@nox.session(python=[f"3.{v}" for v in range(9, 14)])
 def test(session):
     session.install(".[test]")
     session.chdir("tests")
diff --git a/src/scitrack/__init__.py b/src/scitrack/__init__.py
index 9d5244f..0d8b124 100644
--- a/src/scitrack/__init__.py
+++ b/src/scitrack/__init__.py
@@ -194,11 +194,12 @@ def log_args(self, args=None):
             parent = inspect.currentframe().f_back
             args = inspect.getargvalues(parent).locals
 
-        for k in list(args):
-            if type(args[k]) == self.__class__ or type(args[k]).__name__ == "module":
-                del args[k]
-
-        self.log_message(str(args), label="params")
+        result = {
+            k: args[k]
+            for k in list(args)
+            if type(args[k]) != self.__class__ and type(args[k]).__name__ != "module"
+        }
+        self.log_message(str(result), label="params")
 
     def shutdown(self):
         """safely shutdown the logger"""