diff --git a/python/tests/test_custom_space.py b/python/tests/test_custom_space.py
index cef927c05..e7ff08aa4 100644
--- a/python/tests/test_custom_space.py
+++ b/python/tests/test_custom_space.py
@@ -3,7 +3,7 @@
 from hyperon import *
 from test_common import HyperonTestCase
 
-class TestSpace(AbstractSpace):
+class CustomSpace(AbstractSpace):
 
     def __init__(self, unwrap=True):
         super().__init__()
@@ -66,7 +66,7 @@ class CustomSpaceTest(HyperonTestCase):
 
     def test_custom_space(self):
 
-        test_space = TestSpace()
+        test_space = CustomSpace()
         test_space.test_attrib = "Test Space Payload Attrib"
 
         kb = SpaceRef(test_space)
@@ -78,7 +78,7 @@ def test_custom_space(self):
         self.assertEqualNoOrder(kb.get_atoms(), [S("a"), S("b")])
 
     def test_remove(self):
-        kb = SpaceRef(TestSpace())
+        kb = SpaceRef(CustomSpace())
         kb.add_atom(S("a"))
         kb.add_atom(S("b"))
         kb.add_atom(S("c"))
@@ -88,7 +88,7 @@ def test_remove(self):
         self.assertEqualNoOrder(kb.get_atoms(), [S("a"), S("c")])
 
     def test_replace(self):
-        kb = SpaceRef(TestSpace())
+        kb = SpaceRef(CustomSpace())
         kb.add_atom(S("a"))
         kb.add_atom(S("b"))
         kb.add_atom(S("c"))
@@ -97,7 +97,7 @@ def test_replace(self):
         self.assertEqualNoOrder(kb.get_atoms(), [S("a"), S("d"), S("c")])
 
     def test_query(self):
-        kb = SpaceRef(TestSpace())
+        kb = SpaceRef(CustomSpace())
         kb.add_atom(E(S("A"), S("B")))
         kb.add_atom(E(S("C"), S("D")))
         # Checking that multiple matches can be returned
@@ -110,7 +110,7 @@ def test_atom_containing_space(self):
         m = MeTTa(env_builder=Environment.test_env())
 
         # Make a little space and add it to the MeTTa interpreter's space
-        little_space = SpaceRef(TestSpace())
+        little_space = SpaceRef(CustomSpace())
         little_space.add_atom(E(S("A"), S("B")))
         space_atom = G(little_space)
         m.space().add_atom(E(S("little-space"), space_atom))
@@ -127,7 +127,7 @@ def test_atom_containing_space(self):
         little_space.add_atom(E(S("big-space"), G(m.space())))
 
     def test_match_nested_custom_space(self):
-        nested = SpaceRef(TestSpace())
+        nested = SpaceRef(CustomSpace())
         nested.add_atom(E(S("A"), S("B")))
         space_atom = G(nested)
 
@@ -139,7 +139,7 @@ def test_match_nested_custom_space(self):
 
     def test_runner_with_custom_space(self):
 
-        test_space = TestSpace()
+        test_space = CustomSpace()
         test_space.test_attrib = "Test Space Payload Attrib"
 
         space = SpaceRef(test_space)