diff --git a/mesa/model.py b/mesa/model.py
index ffdd2e7c16f..75f1f536119 100644
--- a/mesa/model.py
+++ b/mesa/model.py
@@ -18,6 +18,11 @@
 from mesa.datacollection import DataCollector
 
 
+class BaseClass:
+    def __init__(self, seed=None):
+        super().__init__()
+        self.seed = seed
+
 class Model:
     """Base class for models in the Mesa ABM library.
 
diff --git a/tests/test_time.py b/tests/test_time.py
index 0aef876ece0..341a0c3a1a2 100644
--- a/tests/test_time.py
+++ b/tests/test_time.py
@@ -13,6 +13,7 @@
     SimultaneousActivation,
     StagedActivation,
 )
+from mesa.model import BaseClass
 
 RANDOM = "random"
 STAGED = "staged"
@@ -102,10 +103,7 @@ def model_stage(self):
         self.log.append("model_stage")
 
 
-class BaseClass:
-    def __init__(self, seed=None):
-        super().__init__()
-        self.seed = seed
+
 
 
 class SomeModel(BaseClass):